Is this what you want by adding a random number to the values? > x <- matrix(1:9, ncol=3) > x [,1] [,2] [,3] [1,] 1 4 7 [2,] 2 5 8 [3,] 3 6 9 > x + runif(9, -.1, .1) [,1] [,2] [,3] [1,] 0.9577315 3.927673 6.953332 [2,] 2.0530684 5.072495 8.076258 [3,] 2.9885848 5.987975 8.936416 >
On 1/22/06, Laura Quinn <[EMAIL PROTECTED]> wrote: > > I'm wanting to create a series of near-identical matrices via the addition > of "white noise" to my starting matrix. Is there a function within R which > will allow me to do this? > > Thank you > > Laura Quinn > Institute of Atmospheric Science > School of Earth and Environment > University of Leeds > Leeds > LS2 9JT > > tel: +44 113 343 1596 > fax: +44 113 343 6716 > mail: [EMAIL PROTECTED] > > ______________________________________________ > 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 > -- Jim Holtman Cincinnati, OH +1 513 247 0281 What the problem you are trying to solve? [[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