I think you should ask "When to use StratifiedKFold instead of KFold?". You need to know what "KFold" and "Stratified" are first. ... <看更多>

StratifiedKFold ¶. class sklearn.cross_validation. StratifiedKFold (y, n_folds=3, shuffle=False, random_state=None) ... ... <看更多>

I need to perform some stratified k-fold cross validations of CatBoost models. I also need to stratify data samples not only using the ... ... <看更多>

In this video we will be discussing how to implement1. K fold Cross Validation2. Stratified K fold Cross ... ... <看更多>

StratifiedKFold is used if the estimator is a classifier and y is either binary or multiclass. In all other cases, KFold is used. from sklearn import datasets ... ... <看更多>