what is the covariable shift in machine learning which condition occurs when a data set is not the same? how do you tell if a data has a covariate shift how do you check if a variable has covariate shift? how to determine if data has covariate shift what happens when covariant shift is detect? how to detect covariate shift what is the method to tell if data have covariate shift how to detect a covariate shift how can you detect covariate shift when do you detect a shift in covariate data how to detect covariate shift can a ph coefficient test covariate shift what is phi coefficient in machine learning how do you detect covariable shift what happens when distribution is not the same and the distribution is not similar how to check for covariate shifts in data how do you detect shift in machine learning how to detect covariate shift how to detect covariate shift in data