can a classifier and feature be used together for cross validation what features are used to train a logistic regression classifier? what is the best feature for cross validation what is the best combination of features and classifiers what classifier is best for accuracy can a classifier and feature achieve perfect accuracy what is the difference between feature and classifier how to compare features and a classifier which features are used for cross validation of a classifier? why is a classifier used in cross validation what is the best based classifier to perform cross validation which features and classifiers achieve perfect accuracy what features will have best accuracy what features can be compared to classifiers why is cross validation accuracy important how to cross validation accuracy which features are best for crossing validation which feature should you use to train a logistic regression classifier? what features can a classifier be used to train what is accuracy of cross validation