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romy0806/README.md

Hi, I'm Paromita Das 👋

Senior Analytics Leader with 16 years of experience transforming data into business strategy through Analytics, Machine Learning, and AI.

Areas of Expertise

  • Customer Analytics
  • Product Analytics
  • Machine Learning
  • Recommendation Systems
  • AI & Generative AI
  • Customer Segmentation
  • Experimentation & A/B Testing
  • Predictive Modeling
  • Executive Data Storytelling

Featured Projects

Marketing Analytics Copilot

Production-style marketing measurement workspace for campaign performance, marketing mix modeling, multi-touch attribution, experimentation, budget simulation, and client-ready reporting.

Highlights

  • Marketing mix modeling with adstock, saturation, seasonality, and holdout validation
  • Seven attribution methods, including Markov and Shapley
  • Statistical experiment evaluation and deterministic budget scenarios
  • Dynamic filters with adaptive daily, weekly, and monthly reporting
  • Branded PDF and PowerPoint exports
  • 32 automated tests with GitHub Actions CI

🚀 https://marketing-analytics-copilot.streamlit.app

👉 https://github.com/romy0806/marketing-analytics-copilot

Executive Analytics Intelligence

AI-powered executive decision-support platform that consolidates Finance, Product, Marketing, Customer, Support, and Social Media data into a unified dashboard with AI-generated executive insights. Built to help leadership teams identify cross-functional trends, risks, opportunities, and recommended business actions from a single interface.

Highlights

  • AI-generated executive briefings using LLMs
  • Interactive KPI dashboards with MoM, YoY & YTD analysis
  • Cross-functional business intelligence
  • Upload Excel & CSV business datasets
  • Trend analysis & executive reporting
  • Streamlit application with OpenAI integration

👉 https://github.com/romy0806/executive-analytics-agent

Customer Growth Intelligence & Recommendation Engine

Customer analytics platform using RFM segmentation, Pareto analysis, market basket analysis, and revenue opportunity modeling to identify growth opportunities and generate next-best-product recommendations.

Business Impact

  • £916K estimated revenue growth opportunity
  • £113K cross-sell opportunity
  • RFM segmentation
  • Market Basket Analysis
  • Recommendation Engine

👉 https://github.com/romy0806/customer-growth-recommendation-engine

Personalization Engine for Content Optimization

Machine learning solution using customer segmentation and logistic regression to improve click-through prediction.

Highlights

  • +21% AUC improvement
  • K-Means clustering
  • Logistic Regression
  • Customer Segmentation

👉 https://github.com/romy0806/personalization-engine-content-optimization

Currently Learning

  • Agentic AI
  • LLM Applications
  • AI Assistants
  • MCP
  • RAG

Tech Stack

Python • SQL • Pandas • NumPy • Scikit-learn • Tableau • Power BI • GitHub • OpenAI

Connect

LinkedIn: https://www.linkedin.com/in/paromitadas

🛠 Tech Stack

Python SQL Machine Learning Artificial Intelligence Scikit Learn Pandas NumPy Matplotlib Jupyter Git

📅 Contribution Activity

Pinned Loading

  1. marketing-analytics-copilot marketing-analytics-copilot Public

    Production-style marketing measurement workspace with MMM, multi-touch attribution, experimentation, budget simulation, decision support, and client-ready reporting.

    Python

  2. executive-analytics-agent executive-analytics-agent Public

    An AI-powered analytics agent that consolidates KPI data from multiple dashboards and generates executive-ready insights, risks, and recommended actions.

    Python

  3. customer-growth-recommendation-engine customer-growth-recommendation-engine Public

    Customer growth analytics and recommendation engine using RFM segmentation, market basket analysis, revenue opportunity modeling, and next-best-product recommendations.

    Jupyter Notebook

  4. paromita-portfolio paromita-portfolio Public

    Advanced Analytics, AI, and Machine Learning portfolio featuring executive dashboards, customer intelligence, personalization, and healthcare analytics projects.

    HTML

  5. personalization-engine-content-optimization personalization-engine-content-optimization Public

    Machine learning recommendation system for content personalization using customer segmentation, clustering, and predictive modeling.

    Jupyter Notebook