why do we use cross validate what is the difference between holdout and cross validation what is the difference of ck cross validation what is meant by balanced cross verification what is the difference between lock in and hold out cross validation what is meant by the term cross validation why is it important to use the vx crossvalidation technique what is a cross validation technique what is the difference between cross validation and bootstrap what is cross validation strategy in cv what is the best definition for cross validation techniques for the phds what is considered cross validation what is the difference between vs. balanced and stratified what is the difference between cross validation techniques what is the difference between bootstrap, and cross validation what does cross validation mean what is the purpose of a cv cross validation definition what means balanced cross validation what is the difference between k crossvalidation and k crossvalidation