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1. tarang-tj.github.io tarang-tj.github.io Public

   Professional Github portfolio of projects, resumes and experiences of TJ, an aspiring business analyst college junior

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2. operations-forecasting-model operations-forecasting-model Public

   Multivariate regression on 18 months of sales data (94% accuracy) paired with an interactive Excel KPI dashboard tracking 15+ operational metrics. Drives proactive inventory positioning, reducing c…

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3. economic-pulse-dashboard economic-pulse-dashboard Public

   End-to-end Python pipeline fetching 7 FRED economic indicators → pandas ETL → statistical trend detection → interactive Streamlit dashboard

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4. ecommerce-sql ecommerce-sql Public

   End-to-end SQL analytics on a normalized e-commerce schema; revenue KPIs, customer lifetime value, market basket analysis, and rolling revenue windows in PostgreSQL.

   SQL 1

5. 3d-ramenshop-portfolio 3d-ramenshop-portfolio Public

   Hand-coded 3D ramen shop as an interactive portfolio. Three.js r128, vanilla JS, PBR lighting, rain, day/night toggle, easter eggs.

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6. Cohort-Retention-Engine Cohort-Retention-Engine Public

   Upload any event CSV → instant cohort retention matrix, drop-off heatmap, and churn curves. Generalizes the manual SQL cohort analysis process from a 50K+ MAU product.

   Python