StratifiedKFold,StratifiedShuffleSplit,StratifiedKFold + Shuffle之间有什么区别?我应该什么时候使用每一个?当我得到一个更准确的分数?#######SKF FOR LOOP########for i in range(10):skf = StratifiedKFold(y, n_folds=10, shuffle=True)
scoresSKF2
ValueError: The least populated class in y has only 1 member, which is too few. The minimum number of groups for any class cannot be less than 2.# List of machine learning algorithms that will be used for predictions
estimator = [('Logistic Regression', LogisticRegression),