Thanks, one further question: how to order these matrices using these row sums?
lapply(a, function(x) order(x[,5])) #produces only indeces -Lauri 2008/1/11, Henrique Dallazuanna <[EMAIL PROTECTED]>: > lapply(a, addmargins, 2) > > On 11/01/2008, Lauri Nikkinen <[EMAIL PROTECTED]> wrote: > > Hi R-users, > > > > I have a list > > > > a <- list(one=matrix(rnorm(20), 5, 4), two=matrix(rnorm(20, 3, 0.5),5,4)) > > > > How to add rowSums (calculated using lapply) to corresponding matrix > > in this list > > > > lapply(a, function(x) rowSums(x)) > > > > ?? > > > > -Lauri > > > > ______________________________________________ > > R-help@r-project.org 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. > > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O > ______________________________________________ R-help@r-project.org 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.