Michał Oleszak
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Statistics

Estimating the state of the economy with finite-mixture models and the EM algorithm

Machine Learning

Regularization: Ridge, Lasso and Elastic Net

A Comparison of Shrinkage and Selection Methods for Linear Regression

Linear Classifiers: An Overview

Non-linear regression: basis expansion, polynomials & splines

Model Selection & Assessment: going beyond the train-val-test split

Other Data Science Stuff

Visualize Missing Data with VIM package

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