problem and we were trying to predict in the future on a large time sample and we noticed that sometimes adding one feature in our model did improve our prediction for some modes but decreased our score for other mounts so each feature was not working on the whole time or the whole unseen future so they were working on some periods I'm not working on some periods and so what we did is we clustered somehow those features in two different spots though the features that were working on some periods we put them together and those