Lauri Nikkinen wrote: > Thanks, one further question: how to order these matrices using these row > sums? > > lapply(a, function(x) order(x[,5])) #produces only indeces > >
lapply(a, function(x) x[order(x[,5]),]) > -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. > -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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.