Release notes for v1.5.0-preview2 - #4787

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Release notes for v1.5.0-preview2#4787
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@harishskharishsk commented Feb 6, 2020

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harishsk requested a review from a team as a code ownerFebruary 6, 2020 00:22
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**

@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?

CC: @eerhardt

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
- Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))

@codemzscodemzsFeb 6, 2020

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We don't ship to users either.

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
- Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
- Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))

@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
- Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
- Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
- Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))

@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
- Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
- Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))

@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
- Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
- Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))

@codemzscodemzsFeb 6, 2020

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We don't ship tests.

Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**

@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?

LittleLittleCloud
LittleLittleCloud reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
- CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))

@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story

@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add

  • Using invariance culture when converting to string ( #4635 )
    and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )

Thanks

codemzs
codemzs reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated
- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))

@codemzscodemzsFeb 6, 2020•
edited by harishsk
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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved

codemzs
codemzs reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))

@codemzscodemzsFeb 6, 2020•
edited by harishsk
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LDSVM Traine [](start = 4, length = 12)

Describe what this trainer is and where it is used and then provide links to samples. #Resolved

@justinormontjustinormontFeb 6, 2020•
edited by harishsk
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Description:
LDSVM uses trees as its SVM kernel to create a non-linear binary learner.

Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs

Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf

#Resolved

@codemzscodemzsFeb 6, 2020•
edited by harishsk
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thanks and in addition I would also
expand LDSVM acronym. #Resolved

@justinormontjustinormontFeb 6, 2020•
edited by harishsk
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"Local Deep SVM" #Resolved

codemzs
codemzs reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))

@codemzscodemzsFeb 6, 2020•
edited by harishsk
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TimeSeriesImputer [](start = 4, length = 17)

Describe what this transformer is and where it is used and then provide links to samples. #Resolved

justinormont
justinormont reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated


## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))

@justinormontjustinormontFeb 6, 2020•
edited by harishsk
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Space:

Suggested change
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved

justinormont
justinormont reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated
- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

@justinormontjustinormontFeb 6, 2020•
edited by harishsk
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Space:

Suggested change
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved

justinormont
justinormont reviewed Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md Outdated
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))

@justinormontjustinormontFeb 6, 2020•
edited by harishsk
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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved

najeeb-kazmi
najeeb-kazmi reviewed Feb 7, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).

@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'

eerhardt
eerhardt reviewed Mar 2, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
natke
natke reviewed Mar 5, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.

@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component

@harishsk
harishsk merged commit 7c6beef into dotnet:masterMar 12, 2020
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@codemzscodemzscodemzs requested changes
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@ebarsoumMSebarsoumMSAwaiting requested review from ebarsoumMS
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@harishsk@codemzs@natke@justinormont@eerhardt@najeeb-kazmi@LittleLittleCloud
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Release notes for v1.5.0-preview2 - #4787
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Release notes for v1.5.0-preview2#4787
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@harishsk
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codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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Feb 6, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

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"Local Deep SVM" #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
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Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
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Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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+4 more reviewers

@natkenatkenatke left review comments
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
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Release notes for v1.5.0-preview2 - #4787
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@harishsk
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

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"Local Deep SVM" #Resolved
codemzs
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# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
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natke
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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merged commit 7c6beef
into
dotnet:masterMar 12, 2020
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@codemzscodemzscodemzs requested changes
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@ebarsoumMSebarsoumMSAwaiting requested review from ebarsoumMS
@gvashishthagvashishthaAwaiting requested review from gvashishtha

+4 more reviewers

@natkenatkenatke left review comments
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Release notes for v1.5.0-preview2 - #4787
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Release notes for v1.5.0-preview2#4787
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated


## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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"Local Deep SVM" #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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Feb 7, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
eerhardt
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
natke
natke
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Mar 5, 2020
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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@harishsk@codemzs@natke@justinormont@eerhardt@najeeb-kazmi@LittleLittleCloud

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Release notes for v1.5.0-preview2 - #4787
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Merged
Release notes for v1.5.0-preview2#4787
harishsk merged 6 commits into
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@harishsk
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@harishsk
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View reviewed changes
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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Outdated

- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Outdated


## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

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"Local Deep SVM" #Resolved
codemzs
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# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
natke
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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@codemzscodemzscodemzs requested changes
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@ebarsoumMSebarsoumMSAwaiting requested review from ebarsoumMS
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+4 more reviewers

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@harishsk@codemzs@natke@justinormont@eerhardt@najeeb-kazmi@LittleLittleCloud

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Release notes for v1.5.0-preview2 - #4787
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@harishsk
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@harishsk
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as a code ownerFebruary 6, 2020 00:22
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

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"Local Deep SVM" #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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View reviewed changes
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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+4 more reviewers

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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Release notes for v1.5.0-preview2 - #4787
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Release notes for v1.5.0-preview2#4787
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
@codemzscodemzsFeb 6, 2020

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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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Outdated

- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated


## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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"Local Deep SVM" #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated



## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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Outdated

- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
Outdated

- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
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natke
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
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merged commit 7c6beef
into
dotnet:masterMar 12, 2020
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@codemzscodemzscodemzs requested changes
@LittleLittleCloudLittleLittleCloudLittleLittleCloud left review comments
@ebarsoumMSebarsoumMSAwaiting requested review from ebarsoumMS
@gvashishthagvashishthaAwaiting requested review from gvashishtha

+4 more reviewers

@natkenatkenatke left review comments
@justinormontjustinormontjustinormont left review comments
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@harishsk@codemzs@natke@justinormont@eerhardt@najeeb-kazmi@LittleLittleCloud

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Release notes for v1.5.0-preview2 - #4787
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Release notes for v1.5.0-preview2#4787
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
- **Code analysis updates**
@codemzscodemzsFeb 6, 2020

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We don't ship code analyzer to our nuget users, why is this relevant to release notes?
CC: @eerhardt
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
@codemzscodemzsFeb 6, 2020

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We don't ship to users either.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
## **Test updates**
- **Code analysis updates**
 - Update analyzer test library ([#4740](https://github.com/dotnet/machinelearning/pull/4740))
 - Enable the internal code analyzer for test projects ([#4731](https://github.com/dotnet/machinelearning/pull/4731))
@codemzscodemzsFeb 6, 2020

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This is not shipped to the nuget users.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
@codemzscodemzsFeb 6, 2020

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How is collect crash dump relevant to nuget users? It will almost make them feel their data is being collected.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
 - Fix failure to capture test failures ([#4716](https://github.com/dotnet/machinelearning/pull/4716))
 - Collect crash dump upload dump and pdb to artifact ([#4666](https://github.com/dotnet/machinelearning/pull/4666))
- Enable Conditional Numerical Reproducibility for tests ([#4569](https://github.com/dotnet/machinelearning/pull/4569))
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This is specific to test projects, we don't ship test projects.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
 - Implement MSML_ExtendBaseTestClass (Test classes should be derived from BaseTestClass) ([#4746](https://github.com/dotnet/machinelearning/pull/4746))
 - Enable MSML_TypeParamName for the full solution ([#4762](https://github.com/dotnet/machinelearning/pull/4762))
- **Better logging from tests**
 - Ensure tests capture the full log ([#4710](https://github.com/dotnet/machinelearning/pull/4710))
@codemzscodemzsFeb 6, 2020

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We don't ship tests.
Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
- Added in support for System.DateTime type for the DateTimeTransformer ([#4661](https://github.com/dotnet/machinelearning/pull/4661))
- Additional changes to ExpressionTransformer ([#4614](https://github.com/dotnet/machinelearning/pull/4614))

## **Test updates**
@codemzscodemzsFeb 6, 2020

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This whole section is not shipped to the users, why is this included in release notes? Who is your target audience and why would they care about stuff that is not shipped part of nuget?
LittleLittleCloud
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- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))

## **CLI and AutoML API**
 - CodeGen For AzureAttach ([#4498](https://github.com/dotnet/machinelearning/pull/4498))
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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We don't want user aware of this change because this is only for ModelBuilder Azure Attach story
@LittleLittleCloudLittleLittleCloudFeb 6, 2020

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plase add
  • Using invariance culture when converting to string ( #4635 )
    
and
  • Fix NullReferenceException when it comes to Recommendation in AutoML and CodeGenerator ( #4774 )
Thanks
codemzs
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- TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageClassificationTrainer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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this is ImagLoading transform not ImageClassification trainer, two very different things, one is a transformer and other is a trainer. #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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LDSVM Traine [](start = 4, length = 12)
Describe what this trainer is and where it is used and then provide links to samples. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Description:

LDSVM uses trees as its SVM kernel to create a non-linear binary learner.
Sample:
https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs
Reference links:
http://manikvarma.org/pubs/jose13.pdf
http://manikvarma.org/talks/ICML13.pdf
#Resolved
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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thanks and in addition I would also

expand LDSVM acronym. #Resolved
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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"Local Deep SVM" #Resolved
codemzs
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
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# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623))
@codemzscodemzsFeb 6, 2020•

edited by harishsk

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TimeSeriesImputer [](start = 4, length = 17)
Describe what this transformer is and where it is used and then provide links to samples. #Resolved
justinormont
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## **Bug Fixes**
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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Space:

Suggested change

- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
- Fix for OneVersusAllTrainer([#4698](https://github.com/dotnet/machinelearning/pull/4698))
```#Resolved
justinormont
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- Fix documentation of SvmLightLoader ([#4616](https://github.com/dotnet/machinelearning/pull/4616))
- Correct KMeans scoring function doc ([#4705](https://github.com/dotnet/machinelearning/pull/4705))
- Several typo fixes thanks to [@MaherJendoubi](https://github.com/MaherJendoubi) ([#4627](https://github.com/dotnet/machinelearning/pull/4627), [#4631](https://github.com/dotnet/machinelearning/pull/4631), [#4626](https://github.com/dotnet/machinelearning/pull/4626) [#4617](https://github.com/dotnet/machinelearning/pull/4617), [#4633](https://github.com/dotnet/machinelearning/pull/4633), [#4629](https://github.com/dotnet/machinelearning/pull/4629), [#4642](https://github.com/dotnet/machinelearning/pull/4642))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
@justinormontjustinormontFeb 6, 2020•

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Space:

Suggested change

- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
- Other typo fixes:([#4628](https://github.com/dotnet/machinelearning/pull/4628), [#4685](https://github.com/dotnet/machinelearning/pull/4685))
```#Resolved
justinormont
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- Changed onnx export to append a .onnx string to column names to support better mapping to ML.NET output column names ([#4734](https://github.com/dotnet/machinelearning/pull/4734))
-	TextLoader, BinaryLoader and SvmLightLoader now check the existence of the input file before training ([#4665](https://github.com/dotnet/machinelearning/pull/4665))
- ImageLoadingTransformer now checks the existence of input folder before training ([#4691]( https://github.com/dotnet/machinelearning/pull/4691))
- Sweep Trimming of Whitespace in AutoML ([#3918](https://github.com/dotnet/machinelearning/pull/3918))
@justinormontjustinormontFeb 6, 2020•

edited by harishsk

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This isn't in master; only in the AutoML branch. After testing it should be cherry picked to master. No need to mention here. #Resolved
najeeb-kazmi
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
- **LDSVM Trainer** ([#4060](https://github.com/dotnet/machinelearning/pull/4060)) The "Local Deep SVM" usess trees as its SVM kernel to create a non-linear binary trainer. A sample can be found [here](https://github.com/dotnet/machinelearning/blob/c819d77e9250c68883713d5f1cd79b8971a11faf/docs/samples/Microsoft.ML.Samples/Dynamic/Trainers/BinaryClassification/LdSvm.cs).
@najeeb-kazminajeeb-kazmiFeb 7, 2020

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'usess' -> 'uses'
eerhardt
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
natke
natke
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Comment threaddocs/release-notes/1.5.0-preview2/release-1.5.0-preview2.md
# [ML.NET](http://dot.net/ml) 1.5.0-preview2

## **New Features (IN-PREVIEW, please provide feedback)**
- **TimeSeriesImputer** ([#4623](https://github.com/dotnet/machinelearning/pull/4623)) This data transformer can be used to impute missing rows in time series data.
@natkenatkeFeb 14, 2020

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Should we add the nuget package here? i.e. which package the user has to install to get access to the component
@harishsk
harishsk
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dotnet:masterMar 12, 2020
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@codemzscodemzscodemzs requested changes
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@harishsk@codemzs@natke@justinormont@eerhardt@najeeb-kazmi@LittleLittleCloud