Siwei Ma's personal website

Implementation of an awesome trick to determine if training and test are from the same distribution

Concrete is the single most widely used man-made material in the world. Construction workers rely on experiments to determine the strength of concrete. The app presents an attempt to predict the st…

Given a customer ID, the tool will return the customer's segment/clustering, CLV, the conditional expected number of purchases for next month, the probability of the customer being alive, detailed …

code snippet I created for machine learning workflow

The How, Who, When, and Where of Police Stops in San Francisco: a case study of visualization and EDA

revisit Ames house prices project by using PyTorch

A classic snake game with some modifications.

Given Ames Housing dataset, the project started with an exploratory data analysis (EDA) to identify the missing values, suspicious data, and redundant variables. Then I performed a mixed stepwise s…