An Introduction to Decision Trees | Gini Impurity & Python Code

Published: 18 February 2023
on channel: Shaw Talebi

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This is the 1st video in a new series on decision trees. Here, I give a beginner-friendly introduction to the technique and walk through a concrete example with Python code.

Series playlist: • Decision Trees

More on Decision Trees:
Blog: https://medium.com/towards-data-scien...
Example Code: https://github.com/ShawhinT/YouTube-B...

Intro - 0:00
What are Decision Trees? - 0:09
Graphical View of a Decision Tree - 1:48
Growing a Decision Tree From Data- 2:56
Gini Impurity - 3:38
Toy Example - 5:26
Hyperparameter Tuning - 9:46
Example Code: Sepsis Survival Prediction - 11:33

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