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hetachavda/README.md

Hi, I'm Heta Chavda 👋

📊 Data Analyst | Machine Learning | Business Intelligence

Turning raw data into decisions that move the business.

PythonSQLPower BITableauscikit-learnPandasExcel

LinkedInGitHub

🎯 About Me

I'm a data analytics professional who loves finding the story hidden in the numbers. I work across the full analytics stack — from SQL databases and Python modeling to Power BI and Tableau dashboards — to help businesses make faster, smarter, data-driven decisions.

  • 🔭 Focused on predictive & prescriptive analytics
  • 🌱 Always exploring new ways to visualize and communicate insights
  • 💬 Ask me about machine learning, dashboards, and turning data into business impact

🛠️ Tech Stack

DomainTools
LanguagesPython, SQL
ML / Analyticsscikit-learn, Predictive Modeling, Clustering, Regression, Time-Series
Data WranglingPandas, NumPy, Excel
VisualizationPower BI, Tableau, Matplotlib, Seaborn
OptimizationGoogle OR-Tools, Linear/Integer Programming
DatabasesMySQL, Relational Design (3NF)

🚀 Featured Projects

🤖 Machine Learning & Predictive Analytics

ProjectHighlightTech
🏦 Bank Loan Repayment AnalysisPredicts loan defaults — ROC-AUC 0.915Pythonscikit-learn
📱 Google Play Store Predictive AnalyticsSentiment + rating forecasting, 5 ML modelsPythonML
🌫️ PM2.5 Air Quality ForecastingTime-series pollution prediction across citiesPythonARIMA
🐍 End-to-End Python Data AnalysisFull pipeline: cleaning → EDA → modelingPythonPandas
🚗 Customer Behavior ModelsRegression, classification & clustering combinedPythonSQLPower BI

📊 Business Intelligence & Dashboards

ProjectHighlightTech
🏠🚲 Housing & Bike-Sharing AnalyticsPredictive + prescriptive with Power BIPythonPower BI
⚡ Electric Vehicle Adoption Analysis14.8K EV registrations, BEV vs PHEV trendsTableau

🎯 Segmentation & Optimization

ProjectHighlightTech
🎯 Marketing Segmentation AnalysisK-Means → 4 actionable segmentsPythonExcel
🚦 Route Optimization (Public Transit)Bus scheduling with Google OR-Tools (MIP)PythonOR-Tools
🗄️ Car Dealership Database SystemMySQL relational DB, 9 entities, 3NFMySQLSQL

🔬 Research & Strategy

ProjectHighlightTech
🚗 Uber vs Lyft Comparative Analysis650K rides — statistical hypothesis testingPythonStatistics
🌱 PESTEL Analysis — Ethanol Blending (India)Policy analytics with correlation insightsPythonAnalytics
⚖️ Ethics in Prescriptive AnalyticsResponsible optimization & data privacyOptimization

📌 Each repository is a full case study — Business Problem, Dataset, Methodology, Key Insights, and Business Impact, with custom visuals and dashboards.

📈 GitHub Stats

Heta's GitHub Stats

Top Languages

💡 "Without data, you're just another person with an opinion."

⭐ Feel free to explore my projects and connect!

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  1. Bank-Loan-Repayment-AnalysisBank-Loan-Repayment-AnalysisPublic

    Logistic Regression model predicting loan repayment vs default using financial attributes. Strong ROC-AUC (0.91) with business interpretability.

  2. Marketing-Segmentation-AnalysisMarketing-Segmentation-AnalysisPublic

    A marketing analytics project using K-means clustering to segment customers and design targeted 4P strategies based on demographics and behaviors.

    Python

  3. Route-Optimization-of-Urban-Public-TransportationRoute-Optimization-of-Urban-Public-TransportationPublic

    Operations analytics project using mathematical optimization and Python (Google OR-Tools) to improve urban bus routing and scheduling.

  4. PREDICTIVE-ANALYTICS-FOR-GOOGLE-PLAY-STORE-REVIEWS-AND-RATINGSPREDICTIVE-ANALYTICS-FOR-GOOGLE-PLAY-STORE-REVIEWS-AND-RATINGSPublic

    Machine learning project analyzing Google Play Store apps using EDA, sentiment analysis, clustering, regression, and time-series forecasting.

  5. Predictive-Analysis-with-Housing-Prices-Dataset-Prescriptive-Analysis-with-Bike-Sharing-DatasetPredictive-Analysis-with-Housing-Prices-Dataset-Prescriptive-Analysis-with-Bike-Sharing-DatasetPublic

    Predictive (housing price) and prescriptive (bike sharing) analysis using Python (EDA, preprocessing) and Power BI dashboards for business insights.

  6. Python-Data-Analysis-ProjectPython-Data-Analysis-ProjectPublic

    Python-based data analysis project covering EDA, preprocessing, and predictive modeling (regression, classification, clustering) with actionable insights.

    HTML