One of the fundamental concepts of machine learning is cross-validation. This is how we decide which machine learning method would be best for our dataset. Watch the video to find out how!

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0:00 Awesome song and intro
0:25 Motivation for using cross-validation
1:18 Cross-validation concepts
3:41 An example using cross validation
4:35 Terminology (4-part, 10-part, etc.)
5:20 p.m. Cross-validation for parameter tuning

Correction:
4:16 KNN should have 10 correct and 14 incorrect.

#statquest #ML #cross-validation

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