[Kaggle Courses] How Models Works

1. Decision Tree (Yes or No)

• Fitting or Training the model
  • Use Data to decide how to break into two groups.  Capturing patterns from data.
  • Training data == the data used to fit the model
  • Predict == After the model has been fit, Apply it to new data
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2. Improving the Decision Tree (Yes or No)

어느 쪽이 더 나아보이는가?

Split when you capture more factors -> Deeper trees

+) leaf: 결정 트리의 말단 노드