Scikit-learn: “The least populated class in y has only 1 member”

Question

I am trying to do a Random Forest Regression using Scikit-learn. The first step after loading the data using Pandas is to split the data into a test set and a training set. Howe

Answer 1

Error raised in this line :

X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.22, random_state=123, stratify=y)

Try to delete stratify=y