Hi Federico, Have you checked google R graph library?
bests milton On Thu, Oct 29, 2009 at 3:12 PM, Federico Abascal <fedeabas...@yahoo.es>wrote: > Hi, > > I am investigating a problem for which I found no solution. > I have a matrix with two columns. I have plotted it as an x-y plot > (plot(matrix[,1],matrix[,2]) > But this is not apropriate for my purposes. I need to group the data in > matrix[,1] into groups (as an histogram would do). Then I have to calculate > the average of matrix[,2] for each group. > > Before starting with loops and loops I would like to know if is there some > way to do this easily with R. > > Thanks in advance! > Federico > > ______________________________________________ > 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<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[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.
