ML materials

This is a work-in-progress draft of intermediate-level machine learning materials. Thanks to LLMs for the high quality; any errors are mine.

1a-information.pdf	1b-mle-map.pdf	1c-regularization.pdf	2a-gaussian-linear.pdf
2b-gaussian-nonlinear.pdf	2c-quantile.pdf	2d-poisson.pdf	3-density.pdf
4-exp-family.pdf	5-glm.pdf	6-gam.pdf	7-bayesian.pdf
8-pca.pdf	9a-linear-algebra.pdf	9b-distributions.pdf