Employee_attrition.py

from sklearn.cross_validation import train_test_split
from sklearn.cross_validation import StratifiedShuffleSplit

# Split data into train and test sets as well as for validation and testing
train, test, target_train, target_val = train_test_split(attrition_final, 
                                                         target, 
                                                         train_size= 0.80,
                                                         random_state=0);
#train, test, target_train, target_val = StratifiedShuffleSplit(attrition_final, target, random_state=0)