I'm confused:
Thanks in advance.
> which(LETTERS == c("A"))
[1] 1
> which(LETTERS == c("A","B"))
[1] 1 2
> which(LETTERS == c("A","B","C"))
[1] 1 2 3
Warning message:
In LETTERS == c("A", "B", "C") :
longer object length is not a multiple of shorter object length
Charles Stangor
Professor
Dept of Psychology
University of Maryland
Academic Achievement Research Group <http://www.charlesstangor.com/AARG>
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