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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.

Python SQL Power BI Tableau scikit-learn Pandas Excel

LinkedIn GitHub

🎯 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

Domain Tools
Languages Python, SQL
ML / Analytics scikit-learn, Predictive Modeling, Clustering, Regression, Time-Series
Data Wrangling Pandas, NumPy, Excel
Visualization Power BI, Tableau, Matplotlib, Seaborn
Optimization Google OR-Tools, Linear/Integer Programming
Databases MySQL, Relational Design (3NF)

🚀 Featured Projects

🤖 Machine Learning & Predictive Analytics

Project Highlight Tech
🏦 Bank Loan Repayment Analysis Predicts loan defaults — ROC-AUC 0.915 Python scikit-learn
📱 Google Play Store Predictive Analytics Sentiment + rating forecasting, 5 ML models Python ML
🌫️ PM2.5 Air Quality Forecasting Time-series pollution prediction across cities Python ARIMA
🐍 End-to-End Python Data Analysis Full pipeline: cleaning → EDA → modeling Python Pandas
🚗 Customer Behavior Models Regression, classification & clustering combined Python SQL Power BI

📊 Business Intelligence & Dashboards

Project Highlight Tech
🏠🚲 Housing & Bike-Sharing Analytics Predictive + prescriptive with Power BI Python Power BI
⚡ Electric Vehicle Adoption Analysis 14.8K EV registrations, BEV vs PHEV trends Tableau

🎯 Segmentation & Optimization

Project Highlight Tech
🎯 Marketing Segmentation Analysis K-Means → 4 actionable segments Python Excel
🚦 Route Optimization (Public Transit) Bus scheduling with Google OR-Tools (MIP) Python OR-Tools
🗄️ Car Dealership Database System MySQL relational DB, 9 entities, 3NF MySQL SQL

🔬 Research & Strategy

Project Highlight Tech
🚗 Uber vs Lyft Comparative Analysis 650K rides — statistical hypothesis testing Python Statistics
🌱 PESTEL Analysis — Ethanol Blending (India) Policy analytics with correlation insights Python Analytics
⚖️ Ethics in Prescriptive Analytics Responsible optimization & data privacy Optimization

📌 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!

Pinned Loading

  1. Bank-Loan-Repayment-Analysis Bank-Loan-Repayment-Analysis Public

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

  2. Marketing-Segmentation-Analysis Marketing-Segmentation-Analysis Public

    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-Transportation Route-Optimization-of-Urban-Public-Transportation Public

    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-RATINGS PREDICTIVE-ANALYTICS-FOR-GOOGLE-PLAY-STORE-REVIEWS-AND-RATINGS Public

    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-Dataset Predictive-Analysis-with-Housing-Prices-Dataset-Prescriptive-Analysis-with-Bike-Sharing-Dataset Public

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

  6. Python-Data-Analysis-Project Python-Data-Analysis-Project Public

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

    HTML