【Q&A|Personal Record】decisionTree

Problem Description:

1. Error reporting and resolution

（1）ModuleNotFoundError: No module named 'execjs'

pip install PyExecJS 

（2）ModuleNotFoundError: No module named 'js2py'

 pip install js2py

2、

Decision tree model : Decision tree (DecisionTree, DT) is a common non-parametric supervised learning method for classification and regression . The goal is to create a model that predicts the target variable by deriving simple decision rules from data characteristics. value.

Several methods and codes 

Decision tree model and cases (Python) √ First run the basic examples and then modify them