09 — Machine Learning

Bias-variance tradeoff, regularization, and cross-validation.

This module covers machine learning fundamentals: the bias-variance tradeoff, cross-validation, LASSO/Ridge/Elastic Net regularization, and an introduction to causal machine learning.

Lecture slides

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This module is part of the full Bielefeld University course (Summer 2026).

Code

Check the course repository for the R scripts.