subject:"\[R\] replace a row in a matrix"

Re: [R] replace a row in a matrix

2010-11-14 Thread John Kane

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

Re: [R] replace a row in a matrix

2010-11-14 Thread Joshua Wiley

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:/

[R] replace a row in a matrix

2010-11-14 Thread cassie jones

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]]