Is something like this what your looking for: x <- matrix(c(rnorm(100)),ncol=10) sub <- sample(5, replace=TRUE) # For sampling with replacement x[sub,]
Harold -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of mark salsburg Sent: Wednesday, March 15, 2006 4:02 PM To: R-help@stat.math.ethz.ch Subject: [R] generating RANDOM ROWS from matrix Dear group, I would like to generate a 1000 random rows from a MATRIX with dimensions 12,000 by 20 (i.e. to generate a 1000 by 20 matrix of random rows) Does the function sample() work for this??? thank you in advance [[alternative HTML version deleted]] ______________________________________________ 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