ent effects: 
## E[Y|T=1, X] - E[Y|T=0, X]
## 
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
## -28.639  -7.470  -1.400  -1.717   4.088  26.089 
## 
## ---------------------------------------------------
## 
## 4 out of 10 interactions selected in total by the lasso (cross validation criterion).
## 
## The first estimate is the treatment main effect, which is always selected. 
## Any other variables selected represent treatment-covariate interactions.
## 
##            Trt1      V1    V2      V3     V