filters and by eliminating those features first because the low rugged Peters may become more important because your model will try to use them instead of using the noisy Peters so the main purpose is to detect the overfitting meters you have two choices you remove them if it helps your cross-validation and if it hurts your cross-validation then just try to apply some transformation on those filters to have a better generalization so the second part of checking the improvements is about Twitter engineering and this is