'tapply' lets one apply a function to tabulated items. There are 'describe' functions in a variety of packages.
-- David Sent from my iPhone On Aug 3, 2013, at 2:27 AM, Søren Højsgaard <sor...@math.aau.dk> wrote: > The summaryBy function in the doBy package may help you. > Regards Søren > > > Sendt fra Samsung mobil > > > > -------- Oprindelig meddelelse -------- > Fra: Mike Miller <mbmille...@gmail.com> > Dato: > Til: R-Help List <r-h...@stat.math.ethz.ch> > Emne: [R] descriptive stats by cells in factorial design > > > I'm looking for recommendations for a good way to do this. There must be > a good function in some package... > > I have a 5-way factorial design, two levels per factor, so 32 cells, and I > mostly just want the means and standard deviations for the contents of > every cell. I can write a for loop, but maybe there is a nice way to show > the model and get the results I want without having to do that. > > Similarly, it would be nice to also have the range and maybe some > percentiles, if there is a function that would just pump them out. > > Finally, if something would draw a series of box plots for the cells of > the factorial design, that could be nice to have. > > It seems like this sort of thing must already have been worked out. > > Thanks in advance. > > Mike > > -- > Michael B. Miller, Ph.D. > Minnesota Center for Twin and Family Research > Department of Psychology > University of Minnesota > > ______________________________________________ > 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. > > [[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.