Classification Trees in Python from Start to Finish

NOTE: You can support StatQuest by purchasing the Jupyter Notebook and Python code seen in this video here: https://statquest.gumroad.com/l/tzxoh

This webinar was recorded 20200528 at 11:00am (New York time).

NOTE: This StatQuest assumes are already familiar with:
Decision Trees:    • StatQuest: Decision Trees  
Cross Validation:    • Machine Learning Fundamentals: Cross ...  
Confusion Matrices:    • Machine Learning Fundamentals: The Co...  
Cost Complexity Pruning:    • How to Prune Regression Trees, Clearl...  
Bias and Variance and Overfitting:    • Machine Learning Fundamentals: Bias a...  

For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/

If you'd like to support StatQuest, please consider...

Buying my book, The StatQuest Illustrated Guide to Machine Learning:
PDF - https://statquest.gumroad.com/l/wvtmc
Paperback - https://www.amazon.com/dp/B09ZCKR4H6
Kindle eBook - https://www.amazon.com/dp/B09ZG79HXC

Patreon:   / statquest  
...or...
YouTube Membership:    / @statquest  

...a cool StatQuest t-shirt or sweatshirt:
https://shop.spreadshirt.com/statques...

...buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/

...or just donating to StatQuest!
https://www.paypal.me/statquest

Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter:
  / joshuastarmer  

0:00 Awesome song and introduction
5:23 Import Modules
7:40 Import Data
11:18 Missing Data Part 1: Identifying
15:57 Missing Data Part 2: Dealing with it
21:16 Format Data Part 1: X and y
23:33 Format Data Part 2: One-Hot Encoding
37:29 Build Preliminary Tree
46:31 Pruning Part 1: Visualize Alpha
51:22 Pruning Part 2: Cross Validation
56:46 Build and Draw Final Tree

#StatQuest #ML #ClassificationTrees