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gunjanagr/README.md

Hi 👋, I'm Gunjan Agarwal

Aspiring Data Analyst | Python · SQL · Power BI · Tableau

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🙋‍♀️ About Me

  • 📍 Based in Jaipur, India
  • 🎯 Seeking Data Analyst roles
  • 🔍 I turn messy data into actionable business decisions
  • 🛠️ Building end-to-end analytics projects with Python, SQL, Power BI and Tableau

🛠️ Tech Stack

Category Tools
Languages Python, SQL
Libraries Pandas, Matplotlib, Seaborn, Scikit-learn
BI Tools Power BI, Tableau
Other Excel, Git, GitHub

📂 Featured Projects

Python · Pandas · SQL · Scikit-learn · K-Means · Cosine Similarity

  • Segmented customers into clusters — Cluster 3 (15% of base) drives 40% of total revenue
  • Built lookalike model using cosine similarity for high-value customer targeting
  • Identified Cluster 5 as highest churn risk — longest gap since last purchase, lowest AOV
  • SQL queries for revenue by cluster, Q4 seasonality analysis, at-risk customer flagging
  • Key insight: 65% of high-value customers are from Southeast Asia — recommended as next fulfillment expansion market

Python · Pandas · SQL · SQLite · Tableau

  • Analyzed attrition across department, job role, age group, overtime and tenure
  • Sales Representatives have the highest attrition at 40%
  • Overtime employees leave at 30% vs 10% for non-overtime — 3x higher risk
  • Highest attrition in years 0–2 — onboarding identified as biggest retention failure
  • 📊 View Tableau Dashboard

Power BI · DAX · Excel

  • Tracked $244K revenue across 250 orders and 714 units sold
  • Electronics top category (140K) · Refrigerator top product (75K) · Miami top city (32K)
  • PayPal most used payment method (24%) · Sales peaked Feb 2025 then declined sharply
  • Key insight: 65% of orders are pending or cancelled — critical fulfillment gap identified

Python · Pandas · Tableau · GitHub Pages

  • Analyzed 500 rows across 20+ countries, 10 genres, Free vs Premium users
  • Classical leads global streams · R&B has longest avg stream duration
  • Free and Premium users skip at nearly identical rates (20%) — skipping is content-driven, not ads
  • South Korea, Sweden, South Africa lead total hours streamed
  • 🌐 Live Dashboard · 📊 Tableau Public

Python · SARIMA · Holt-Winters · Streamlit

  • Implemented SARIMA and Holt-Winters models with automated parameter selection
  • ADF stationarity checks, seasonal decomposition, missing value imputation
  • Achieved MAE: 2.34 · RMSE: 3.15 · MAPE: 4.5%
  • Deployed interactive Streamlit interface with date range selection and forecast horizon control

"Data is only useful when it drives a decision."

Pinned Loading

  1. Amazon-Sales-Analysis-PowerBI Amazon-Sales-Analysis-PowerBI Public

    Sales performance dashboard analyzing 244K revenue across products, categories, locations & payment methods using Power BI

  2. E-commerce-Customer-Analytics E-commerce-Customer-Analytics Public

    E-commerce Analysis project

    Jupyter Notebook

  3. Forecast-Analysis-Project Forecast-Analysis-Project Public

    HTML

  4. HR-Attrition-Analysis HR-Attrition-Analysis Public

    Jupyter Notebook

  5. Spotify-Dashboard- Spotify-Dashboard- Public