Nothing
selfpaste <-
function(x)
# selfpaste() - paste elements of vector x with themselves
{
n <- 0
selfx <- rep(0,length(x)^2)
for(i in 1: length(x)){
n <- n + 1
selfx[n] <- paste(x[i],":",x[i],sep="", collapse=NULL)
}
return(selfx)
}
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