n_jobs = -1 #3
Description
It seems except you use n_jobs=1 in cross_val_score() the module throws an error:
raise UserWarning('Evaluation has not been performed yet.')
UserWarning: Evaluation has not been performed yet.
{{ message }}
It seems except you use n_jobs=1 in cross_val_score() the module throws an error:
raise UserWarning('Evaluation has not been performed yet.')
UserWarning: Evaluation has not been performed yet.