How to represent the Y response of the decision tree as a variable?
dear allI want to do multiple data table files with the same code for the decision tree operation, and each file has three different Y response decision trees.Set the Y response of each file in the first 3 columns of the table, and the number of X factor column starting from column 4 is different for each file. The specific practice of making three decision trees for each file is: the first time i...