Nothing

```
SIS.selection<-function(X,Y,pred,scale=F){
if (scale==T){
X<-scale(X)
}
p=dim(X)[2]
IndicesSIS <- rep(0,p)
beta <- rep(0,p)
for (jj in 1:p){
beta[jj]<-abs(glm(Y~X[,jj],family = binomial)$coefficients[2])
}
IndicesSIS <- sort(beta,index=TRUE,decreasing = TRUE)$ix
Xc<-X[,IndicesSIS[1:pred]]
Xsis <- Xc
return(Xsis)
}
```

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