Nothing
"IntKde"<-function(xin, xout, h=3.572*sd(xin)*length(xin)^{-1/3}, kfun)
{
n<- length(xin)
arg1<-(sapply(xout, "-", xin))/h
arg2<-kfun(arg1)
arg3<-colSums(arg2)
arg3/n
}
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