Mag. Ferri Leberl wrote:
> What does this warning mean precisely?
> Is there any reason to care about it?
> Can I Avoid it by another way of programming?
As you have already gotten most of your questions answered, here is a
possible answer to the last. You may want to care about it, but not
necessarily. I have had to use the recycling capability of R without knowing
whether the length of the result would be a multiple of that of the source
vector. Say I want to label a vector of daily observations, but I do not know
which day the observations start or how many there are:
label.weekdays<-function(ndays,start=1) {
daynames<-rep(c("Sun","Mon","Tue","Wed","Thu","Fri","Sat"),ndays/7+1)
return(daynames[start:(start+ndays-1)])
}
By creating a vector that is intentionally too long, then truncating it on
one or both ends, I can recycle the source vector and avoid the warning.
Jim
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