why is xval accuracy worse than chance why is cross validation consistently worse than chance what feature consistently performs worse than chance what does cross validation consistently perform what is the accuracy of cross validation in binary classification how does multi-cross validation work what is the difference between a stratified xval and a cross validation what is the accuracy of a feature when multiple cross validation is used what is the accuracy of each cross validation? which feature always performs worse than chance why does multiple cross validation consistently perform worse than chance? why is cross validation statistically prone to fluctuation what is the accuracy of xval which feature consistently performs worse than chance? how much accuracy would a single feature consistently perform if performing multiple cross validation what is the average accuracy of multiple cross validation how accurate is multiplication cross validation what is xval accuracy why is a feature accuracy consistently less than chance why does a feature consistently perform less than chance