Hi Cassie, If your matrix is named "X", and your vector "y", then:
X[i, ] <- y Please read the documentation for the extraction operator. You can pull this up by entering the following command at the R console: ?"[" You would also probably benefit from a careful reading of this manual: http://cran.r-project.org/doc/manuals/R-intro.pdf I know it is 100 pages, but if you are going to use R much at all, the time investment to read through that carefully will pay off (even if it does not all make sense the first time through). Cheers, Josh On Sun, Nov 14, 2010 at 7:59 AM, cassie jones <cassiejone...@gmail.com> wrote: > Dear all, > > > I created a n*2 matrix and I want to replace the ith row with a vector. Can > anyone suggest me what is the simple way to do it? Sorry for bothering you > with such simple question. I appreciate any hints or advice. > > > Thanks in advance. > > Cassie > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles http://www.joshuawiley.com/ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
