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[Daniel (深度碎片)]

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Lesson 6 official topic

A rough detailed note in terms of questions 00:00 Review: lecture 5 and OneR from scratch 02:09 How to build a TwoR model manually (towards a decision tree)? 04:43 How to create a decision tree with 4 leaves and draw the graph? How to interpret the graph? Why decision tree is loved when doing explorative analysis? What Jeremy think of sklearn? 07:02 What is gini in terms of how good a split is? What is its source code? How to think of gini in terms of the probability of grab the same item …