OTP Forecasting
[WIP]Staten Island OTP Forecasting
End-to-end machine learning project using MTA open data to forecast on-time performance, compare models, and explain predictions using SHAP.
Data Analytics • Machine Learning • Transit Operations
Turning operational data into reliable decisions.
I’m Chinmay Naringrekar, a data analyst at MTA focused on transit reliability, forecasting, dashboards, and machine learning projects that connect analytics with real-world operations.
4+ yrs
Analytics experience
ML + BI
Python, SQL, Power BI
MTA
Transit operations analytics
Machine Learning Projects
Selected work combining real-world data, forecasting, recommendation systems, generative AI, and explainable analytics.
F1 Strategy ML
[WIP]F1 Pit Strategy and tyre degradation ML Project
Formula 1 race analytics and machine learning project using FastF1 to analyze Monaco 2025 race pace, tyre degradation, and lap-time prediction.
K-Drama Recommender
K-Drama Analytics & Recommendation System
Personalized recommendation and analytics app built from drama metadata and personal ratings to analyze taste profile and suggest new shows.
PDF QA Chatbot
PDF QA Chatbot with RAG
Generative AI app that lets users ask questions about uploaded PDFs using document chunking, embeddings, FAISS similarity search, and LLM responses.
Decision Tree
Breast Cancer Decision Tree Model
Machine learning assignment using cell nuclei features to train, test, evaluate, and visualize a decision tree classification model.
Healthcare ML
Disease Progression ML Project
Planned healthcare analytics project focused on disease progression, multimorbidity patterns, risk prediction, and clinical decision-support storytelling.
Dashboards
business intelligence and visualization projects from my earlier portfolio, including Tableau and Excel dashboard work.
Seattle Airbnb
Seattle Airbnb Tableau Dashboard
Tableau dashboard analyzing Seattle Airbnb listings to understand rental patterns, pricing factors, and strategy for optimizing short-term rental decisions.
Netflix
Netflix Tableau Dashboard
Interactive Tableau dashboard exploring Netflix titles by type, country, rating, genre, release year, and detailed movie/TV show information.
Spotify
Spotify Top Tracks Dashboard
Dashboard analyzing Spotify top tracks using song attributes such as key, acousticness, instrumentalness, danceability, valence, energy, and streams.
COVID-19
COVID-19 Tableau Dashboard
Tableau dashboard built after SQL exploration of global COVID-19 data, showing death percentage, infection rates, continent-level death counts, and projected trends.
COVID-19
COVID-19 SQL EDA
SQL exploration of global COVID-19 data, showing death percentage, infection rates, continent-level death counts, and projected trends.
Bike Buyers
Bike Buyers Excel Dashboard
Excel dashboard using cleaned customer data to identify factors influencing bike purchases, with interactive filters and business-focused visual summaries.
Skills
A mix of analytics, machine learning, business intelligence, and operational reporting tools.
Data Analysis
Excel, SQL, Python, pandas, exploratory analysis, KPI tracking, and operational reporting.
Machine Learning
Regression, classification, model evaluation, forecasting, XGBoost, scikit-learn, and SHAP.
Dashboards
Power BI, Tableau, Streamlit, executive dashboards, monthly reports, and performance visuals.
Data Systems
SQL Server, Oracle, Trino, AWS S3, Redshift, Athena, and data pipeline organization.
Analytics built for real-world operations.
My work focuses on converting messy operational data into clear insights, dashboards, forecasts, and decision-support tools. I’m especially interested in reliability analytics, predictive maintenance, and explainable machine learning.
I’m currently expanding my portfolio with projects that connect business intelligence, machine learning, and practical operational decision-making.
- Transit reliability and performance analytics
- Forecasting and explainable machine learning
- Dashboard development for leadership and operations
- Data storytelling with measurable business impact