not working quite good by itself unless it sees to have some kind of interaction with the mean of the group so by creating a bunch a bunch of features you are allowing for more interactions then trying feature by filter and when you are done with this bunch of feature you make for example five features and you see improvements at that point you can start looking if you have any overfitting features and you can sometimes but say what I do is starting doing feature selection during my bunch of future creation so I create like 10