More Powerful and General Selective Inference for
           Stepwise Feature Selection Using Homotopy Method

              Kazuya Sugiyama * 1 Vo Nguyen Le Duy * 1 2 Ichiro Takeuchi 1 2

             Abstract                feature selection. Notably, Lee et al. (2016) and Tibshirani
   Conditional selective inference (SI) has been ac-     et al. (2016) proposed conditional SI methods for selected
   tively studied as a new statistical inference frame-    features using Lasso and stepwise feat ...