BayDAG Contribution #7: Sampling in EDB for Location Choice - #773

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jpn-- merged 3 commits into
ActivitySim:mainfrom
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged

BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom
SANDAG:BayDAG_cont7_loc_choice_sample_est

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@dhensledhensle commented Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.

Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.

Required for SANDAG ABM3 production? -- No

@dhensledhensle self-assigned this Jan 30, 2024
@dhensle
dhensleforce-pushed the BayDAG_cont7_loc_choice_sample_est branch from 564f07a to 8071068CompareMarch 7, 2024 21:52
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This non-trivial PR has not test at all to confirm it works.

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jpn-- merged commit bfee887 into ActivitySim:mainMar 28, 2024
@dhensle
dhensle deleted the BayDAG_cont7_loc_choice_sample_est branch April 23, 2024 16:49
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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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BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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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");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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3 participants

@dhensle@jpn--@i-am-sijia

, '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('^' + ".*" + '

Skip to content
BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Contributor
Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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3 participants

@dhensle@jpn--@i-am-sijia

, '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" + '

Skip to content
BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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3 participants

@dhensle@jpn--@i-am-sijia

, '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
BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Contributor
Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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Successfully merging this pull request may close these issues.

3 participants

@dhensle@jpn--@i-am-sijia

, '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('^' + ".*" + '

Skip to content
BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
Merged
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Conversation
@dhensle
@dhensledhensle
commented
Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
self-assigned this
Jan 30, 2024
@dhensle
dhensleforce-pushed
the
BayDAG_cont7_loc_choice_sample_est
branch
from
564f07a to
8071068CompareMarch 7, 2024 21:52
@jpn--
jpn--
commented
Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
jpn--
merged commit bfee887
into
ActivitySim:mainMar 28, 2024
@dhensle
dhensle
deleted the

BayDAG_cont7_loc_choice_sample_est

branch
April 23, 2024 16:49
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3 participants

@dhensle@jpn--@i-am-sijia

, '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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BayDAG Contribution #7: Sampling in EDB for Location Choice - #773
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jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
Mar 28, 2024
Merged
BayDAG Contribution #7: Sampling in EDB for Location Choice#773
jpn-- merged 3 commits into
ActivitySim:mainfrom 
SANDAG:BayDAG_cont7_loc_choice_sample_est
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@dhensle
@dhensledhensle
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Dec 18, 2023

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Currently, estimation mode will include every single alternative for the location choice models. This can be very onerous for 2-zone systems (SANDAG's workplace location choice estimation ran took multiple hours to run). The code contributed here allows for the user to specify a sample rate to be used in estimation mode. There is an additional logic to ensure that the actual observed alternative is included in the sampled alternatives so that downstream models will be using the correct destination. Using this "shortcut" for SANDAG decreased the runtime for this model to ~10 mins instead of hours.
Note that sampling is not yet supported in the actual model estimation process in larch yet. (Something proposed for future enhancements.) This code just allows the user to run estimation mode much faster so downstream model EDBs can be created in less time.
Required for SANDAG ABM3 production? -- No
@dhensledhensle
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Jan 30, 2024
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Mar 19, 2024

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This non-trivial PR has not test at all to confirm it works.
@jpn--
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ActivitySim:mainMar 28, 2024
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April 23, 2024 16:49
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