[R] replace a row in a matrix

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

Re: [R] replace a row in a matrix

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:

Re: [R] replace a row in a matrix

Indexing (xx - matrix(1:4, nrow=2)) vec - 5:6 xx[2,] - vec xx --- On Sun, 11/14/10, cassie jones cassiejone...@gmail.com wrote: From: cassie jones cassiejone...@gmail.com Subject: [R] replace a row in a matrix To: r-help@r-project.org Received: Sunday, November 14, 2010, 10:59 AM Dear