[R] Interleaving elements of two vectors?

[Gabor Grothendieck]

Try this (note that  your x and y do not have the same length
and in this case the expression will recycle the shorter one
and give a warning):

z <- c(rbind(x, y))


On 3/5/06, Ajay Narottam Shah <ajayshah at mayin.org> wrote:
> Suppose one has
>
>        x <- c(1,  2,  7,  9,  14)
>        y <- c(71, 72, 77)
>
> How would one write an R function which alternates between elements of
> one vector and the next? In other words, one wants
>
>        z <- c(x[1], y[1], x[2], y[2], x[3], y[3], x[4], y[4], x[5], y[5])
>
> I couldn't think of a clever and general way to write this. I am aware
> of gdata::interleave() but it deals with interleaving rows of a data
> frame, not elems of vectors.
>
> --
> Ajay Shah                                      http://www.mayin.org/ajayshah
> ajayshah at mayin.org                             http://ajayshahblog.blogspot.com
> <*(:-? - wizard who doesn't know the answer.
>
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