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Billodal Roy 👨‍💻

About Me 🙋‍♂️

High performing data science professional 📊 with over 2 years of experience in the analytics and data science domains. Proven track record in statistical modeling, machine learning and developing production-ready 🏭 ML models. Specialized in communicating complex technical concepts and translating analytics into business value 💵 across diverse stakeholders.

Experience 💼

Data Science Intern @ Lowes Companies Inc 🏠

Data and Analytics Consultant @ Protiviti India Member Firm 🏢

Data Science Researcher @ Stones2Milestones Edu Services 🏫

Certifications 🏅

  • AZ-900: Azure Cloud Fundamentals
  • Google Data Analytics Specialization

Projects 💻

Stack: Python, PyTorch, Gymnasium

  • Developed deep neural network agent using PyTorch to play classic Snake game, leveraging algorithms including DQN, Double DQN, and A2C to optimize policy. Achieved score 10x higher than baseline agent. 🐍🤖🏆

  • Engineered features and reward functions enabling agent to master Snake game environment. Compared performance of DQN, DDQN, and A2C algorithms in optimizing gameplay policy, identifying most effective techniques.

Flight Delay Prediction

Stack: Python, SQL, REST API

  • Built a two-stage machine learning model using Random Forest algorithms for classification and regression to predict flight arrival delays, achieving an F1 score of 0.78 and RMSE of 11.28 minutes. ✈️⌚📈

  • Preprocessed imbalanced flight data using SMOTE oversampling before training Random Forest models to optimize performance and reduce prediction error compared to baseline models. ✈️📉📈

Billodal Roy's Projects

fselect icon fselect

A fast and scalable implementation of Feature Selection for Clustering

ml-from-scratch icon ml-from-scratch

Implementation of Basic ML Algorithms from Scratch without ML Libraries

ub-iss-chatbot icon ub-iss-chatbot

A Mistral 7B LLM powered chatbot that answers queries related to international students at University at Buffalo using context documents

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