Hi experts,

I want to read only the half of my data frame, which I read it from clip
board, and save it in a list. I wrote this code but it doesnt work:

ck<-read.table("clipboard")
datalist<-list()
d<-dim(ck)[1]
i<-1

repeat
{
  datalist<-c(datalist,ck[i,])
  i<-i+2
  if(i>d)
  {break}
}
datalist

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