Decision trees notebook
[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/girafe-ai/ml-course/blob/22f_basic/week0_05_trees_and_ensembles/practice0_05_decision_trees.ipynb)

Ensembles:
[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/girafe-ai/ml-course/blob/22f_basic/week0_05_trees_and_ensembles/practice0_05_ensembles.ipynb)

Cross-validation riddle:
[![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/girafe-ai/ml-course/blob/22f_basic/week0_05_trees_and_ensembles/week0_05_Cross_validation_riddle.ipynb)

[Lecture notes link](https://github.com/girafe-ai/ml-course/blob/22f_basic/week0_05_trees_and_ensembles/ml-mipt_21f_lect005_trees_and_ensembles_style.pdf)
