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 <[EMAIL PROTECTED]> 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 > [EMAIL PROTECTED] http://ajayshahblog.blogspot.com > <*(:-? - wizard who doesn't know the answer. > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html