Alex Ma
This is a repository for my personal portfolio page.
Data Science Projects
All project code are hosted on Kaggle.
Video Game Sales Analysis And Modeling Using R
Paper on findings in the end of the notebook.
Exploratory data analysis for regional sales correlation and categorical variables/interaction significance. Feature reduction on baseline model, model diagnosis and improvements. Two-part model to accomdate zero-inflated, power-law-like distribution of North America sales and model performance evaluation.
Critical Mineral Presence/Absence Prediction Geodata Processing & XGBoost
Classify critical mineral presence using xgboost and autoencoder embeddings created from global geochemical soil, whole rock and terrain data. (No kaggle codebook for ethical reasons)
Income Classification MLP (*All code starts at ‘Submission’)
Most widow earns less than $50k/year.
Wheat Price Shock Forecast during Russian-Ukraine War
GeoML: EuroSAT Land Cover Classification using CNN
Grid search experiments for runtime v.s. accuracy trade-off.
Pulling & Visualizing Wealth & Poverty Data
Collaborative Filtering for Agricultural Commodities
Recommending crops for African countries.
Predicting Wealth & Poverty with SatCLIP
Satellite embeddings as input features.
Autoencoders for Climate Embeddings
Explore climate embeddings: finding future locations (purple) with similar climate to current location (green blue).
