trend so we made two linear regression models we trained them on the the sessions and we extract those features from the linear models and we added those as filters in our light area also in order this is my last slide in order to to somehow overcome the cold side problem of the songs what we did is we created a judge Jason's in matrix of the last songs that each user has at recent two and so we took the last 30 songs of each user and we put a one in our matrix with those with two suns are in those last songs otherwise mr. zero and then