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Jack Leitch
Data Scientist
Based in Boise, Idaho / Boston, Massachusetts / Remote
About
I like creating data science projects on topics that interest me, for example, my Strava Kudos Predictor combines my love for data and running.
Skills
Projects
Strava Kudos Predictor
Created a tool that predicts kudos, a proxy for user interaction, on Strava activities (RMSE: 9.41) to see if it was random or if different attributes impact kudos in different ways. Attained over 4000 Strava activities using the Strava API and python. Engineered new features using domain...
Recipe Recommendation System
Created a tool that recommends recipes based on ingredients inputted to help students eat better food. Scraped over 4000 recipes from All Recipes and Jamie Oliver using python and beautiful soup. Parsed recipe ingredients and created word embeddings using Word2Vec and TF-IDF. Created a recipe...
Customer Churn Prediction
Created an interpretable model that predicts churn on telecom data found on Kaggle (F1: 0.796) to build a pipeline to try and retain more customers. Used SMOTE to oversample minority class (churned customers) which improved the F1 score from 0.61 to 0.80. Engineered new features, for example,...
SQL Based Ping Pong Ranking System
Ping pong ranking system, based on chess ELO rankings, that my friends and I use to decide who is actually better at ping pong! The app is built and deployed using Streamlit with a SQL BigQuery backend.