StatQuest: Decision Trees, Part 2 - Feature Selection and Missing Data

This is just a short follow up to last week's StatQuest where we introduced decision trees. Here we show how decision trees deal with variables that don't improve the tree (feature selection) and how they deal with missing data.

To learn the basics about Decision Trees, see:    • Decision and Classification Trees, Cl...  

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Correction:
1:35 I mistyped the gini impurity. I wrote 0.29, but it should be 0.19.

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