why do you score a model how many times do you score model why scores are required for cross validation why scoring subsets how often score on subsets of data scoring in subset what's the reason for a model to score a subset? how many times score for each subset of data why score model on subset why score data on subsets how many times should i score a model in a set of data why do you score for each subset of model model when to score a model on a subset can you score on subsets which is better to score or score on subsets of data how many times should models be scored how many times is it recommended to score why do you score for one model how many times to score a model in data why do you score data on subsets