[R] Repeat elements of character vector

[Ivan Calandra]

Hi,

Take a look at the argument "each" from rep().
You could do that (there might be something shorter):

paste(rep(v1,each=3), 1:3, sep="_")

HTH,
Ivan

--
Ivan Calandra, ATER
University of Reims Champagne-Ardenne
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ivan.calandra at univ-reims.fr
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Le 30/01/15 14:34, Knut Hansen a écrit :
> I have a vector of several character elements:
> v1 <- c("a", "b", "c")
>
> I want each of these elements to be repeated n times and the number of the
> repetition added as part of the element text, hence rep() will not work. For
> n=3 the result would be:
> v2 <- c("a_1", "a_2", "a_3", "b_1", "b_2", "b_3", "c_1", "c_2", "c_3")
>
> Knut Hansen
> knut.hansen at uit.no
>
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