Hi Casper, Try
m/colSums(m) m/rowSums(m) HTH, Jorge On Sun, Nov 28, 2010 at 3:46 PM, casperyc <> wrote: > > Hi, > > I have a matrix, say > m=matrix(c( > 983,679,134, > 383,416,84, > 2892,2625,570 > ),nrow=3 > ) > > i can find its row/col sum by > > rowSums(m) > colSums(m) > > How do I divide each row/column by its rowSum/colSums and still return in > the matrix form? > (i.e. the new rowSums/colSums =1) > > Thanks. > > Casper > > -- > View this message in context: > http://r.789695.n4.nabble.com/how-to-divide-each-column-in-a-matrix-by-its-colSums-tp3062739p3062739.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > [email protected] 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. > [[alternative HTML version deleted]] ______________________________________________ [email protected] 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.
