Hi, Doing that I get the following:
Browse[2]> Reduce["+",results] Error in Reduce["+", results] : object of type 'closure' is not subsettable Thanks again! Kind regards, Greg On Sep 12, 2010, at 3:49 PM, Phil Spector wrote: > Gregory - > Suppose your list is called "mymats". Then > > Reduce("+",mymats) > > does what you want. > - Phil > > > On Sun, 12 Sep 2010, Gregory Ryslik wrote: > >> Hi, >> >> I have a list of several hundred 2 dimensional matrices, where each matrix >> is n x m. What I need to do is that for each n,m I need an average over all >> the lists. This would collapse it down to just one nxm matrix. Any easy ways >> to do that? As always, I'd like to avoid a for loop to keep computational >> time low! Thanks again everyone! >> >> Cheers, >> G >> ______________________________________________ >> 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.