Thanks heaps. Is there a neat way to do the same for the standard deviation?
Cheers Ben On Wed, Apr 1, 2009 at 11:59 PM, Dimitris Rizopoulos <d.rizopou...@erasmusmc.nl> wrote: > say 'm' is your matrix, then try > > rowMeans(m * col(m)) > > > I hope it helps. > > Best, > Dimitris > > > bwgoudey wrote: >> >> I have a small matrix where the columns represents a ranking and the >> values >> are the number of times each ranking was obtained eg >> 1 2 3 >> x 1 2 0 >> y 0 1 2 >> z 2 0 1 >> >> I'd like to be able to return an average of the ranking obtained >> average >> x 1.67 >> y 2.67 >> z 1.67 >> >> Whats the nicest way to do this? I'm new to the language and looking for >> an >> elegant solution :) >> >> Thanks >> Ben >> >> >> >> > > -- > Dimitris Rizopoulos > Assistant Professor > Department of Biostatistics > Erasmus University Medical Center > > Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands > Tel: +31/(0)10/7043478 > Fax: +31/(0)10/7043014 > ______________________________________________ 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.
