Evolutionary and Cross-Cultural Psychology

When I am not teaching statistics and research methods, I explore how natural disasters, infectious diseases, and other environmental threats shape national cultures, affect social behaviors, and impact emotional experiences through interdisciplinary research.

K-Nearest Neighbors

Closest neighbors shape our path forward.

Random Forest with R

A symphony of trees, learning together

Decision Trees

Where trees branch, decisions bloom.

Notes on Simple and Multiple Logistic Regression

Decoding the odds, one logit at a time.

A Few Notes on Ordinary Least Squares

Although referred to as simple, its strict assumptions and sensitivity to violations often make it anything but simple.

Train-Test Split for Machine Learning with R

To ensure the generalizability of the model, we split the data into training and testing sets.

Diamonds in a Sea of Silver; Handpicked Resources for Data Science

Resources for data science are anything but scarce. However...