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credit-card-fraud-detection
credit-card-fraud-detection PublicReal-time fraud detection ML system on highly imbalanced transaction data (0.17% fraud rate). Stratified CV, SMOTE with proper train/test isolation, cost-based threshold optimization, SHAP interpre…
Jupyter Notebook
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ZomatoAnalytics
ZomatoAnalytics PublicEnd-to-end restaurant analytics pipeline for Bangalore — ETL, dbt transformations, and Streamlit dashboard on 51K+ Zomato restaurants.
Python
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Emotion-Prediction
Emotion-Prediction PublicAn end-to-end NLP and Deep Learning project that detects emotions from text using a Bidirectional GRU (BiGRU) model with ~92.2% test accuracy. Classifies six emotions and provides real-time predict…
Jupyter Notebook
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OlistAnalytics
OlistAnalytics PublicSQL analytics on 100K+ Brazilian e-commerce orders — PostgreSQL, SQLAlchemy & Plotly. Uncovers a 10.6-day delivery gap driving a 4-point review score difference.
Jupyter Notebook
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e-commerce_ab_testing
e-commerce_ab_testing PublicDesigned and analysed an A/B test on 290K+ e-commerce users; applied two-proportion z-test and chi-square test (p = 0.19), computed 95% CI [-0.39pp, +0.08pp] and power analysis revealing 25.89% obs…
Jupyter Notebook
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covid19-analytics
covid19-analytics PublicEnd-to-end COVID-19 analytics pipeline — PostgreSQL star schema ETL on Neon cloud + 6-chart Tableau dashboard covering 776M cases, 7M deaths & 10.8B vaccinations across 200+ countries.
Python
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