summaryBy in the doBy package can do that. The builtin iris data set has 4 numeric columns and one factor column:
> library(doBy) > summaryBy(.~1, iris, fun = mean, keep = TRUE) Sepal.Length Sepal.Width Petal.Length Petal.Width 1 5.843333 3.057333 3.758 1.199333 On Thu, Mar 27, 2008 at 3:22 PM, Diogo André Alagador <[EMAIL PROTECTED]> wrote: > Hi all, > > I would like to know if it is posible by, someway, to get colMeans from > a data.frame with numeric as well as character data, dispersed all over > the object. Note that I would like to get colMeans neglecting character > data. > > I am really in need of some function proceeding in that way… > > All the best > > Diogo André Alagador > > [[alternative HTML version deleted]] > > > ______________________________________________ > 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. > > ______________________________________________ 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.
