cv cross validation how to do how to check for cross validation what is mean when shuffle the train why does cross validation change mean when shuffle training data why does cross validation changes mean when you change train variable in sklearn, the mean of train variable increases how to find train variables what is the meaning of shuffle in cross validation why does my mean change every time I shuffle training data? why does random shuffling of training data change mean? what is train mean in excel does shuffle affect the mean for training? how to find the mean for shuffle why does shuffle change my np mean why do train variables change during cross validation how to do shuffle in excel shuffle test results why do my results change when i shuffle my training data? what is the mean of shuffle in cross validation? how to change the mean in shuffle