you will sometimes end up with hundreds of feet off so instead of using all those features in just one model you can create make different models with different subsets of features and try to blend together all those models and among with with the the feature engineer that we did in the two sigma competition we tried five different models I mean five same models but with different subsets of features and did how about a lot because what we have no ties we are we were trying to predict in the future so that was the time series time series