On Thu, Apr 4, 2013 at 7:46 PM, Abhishek Pratap <abhishek....@gmail.com> wrote:
> Hey Guys
>
> Getting spinned about a slick way to join every 2 entry in a list / vector
> in R
>
> x=(rep(c('A','G','C','T'),1000))
>
> A G C T A G C T etc
>
> form another list with entries as
> AG CT AG etc
Not super slick but:
by_two <- function(x, collapse = ""){
dim(x) <- c(length(x) / 2, 2)
apply(x, 1, function(y) paste(y, collapse = collapse))
}
Cheers,
MW
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