R: implicit return values / return value of an assignment

Convex Functions / Jensen's Inequality / Jensen's Inequality on Expectations / Gibbs' Inequality / Entropy

Expectation Maximization Algorithm Intuition

Gradient and Directional Derivative

Generative Models

Python: Yes, you can unpack a generator!

Python: Generator Expressions / joblib.Parallel

PR Curve

ggplot2: use geom_line() carefully when your x-axis data are descending

ROC Curve: my interpretation