On Tue, Dec 15, 2009 at 6:37 PM, G. Jay Kerns <gke...@ysu.edu> wrote: > > Dear Andrea, > > On Tue, Dec 15, 2009 at 11:19 AM, Andrea Fui <warloc...@gmail.com> wrote: > > HI, i'm really new of R and i need some help. > > > > I have to describe some distributions for some dices throw: > > - launching 3 dices i need the distribution of the sum of the two higher > > values > > - launching 4 dices i need the distribution of the occurrences of the same > > value > > > > possibly i need a way to compare the two distribution adding the fourth dice > > to the first without summing it (only for occurrences count purpose) > > > > sorry for my english and thank you for the help :) > > > > Andrea > > > > [[alternative HTML version deleted]] > > > > > I recommend the following, in the order given. > > http://www.r-project.org/posting-guide.html > > Then from the R command line: > > ?expand.grid > ?transform > ?apply > ?aggregate > install.packages("prob") > library(prob) > vignette("prob") # see section 8 > ?rolldie > ?addrv > ?marginal > > Then turn off the computer, pick up a pencil, and solve the problems > by hand. Wait a minute, maybe that should be step 1? >
Thank you very much Prof. I'll do as you suggest (and sorry for the html version) > Have fun, > Jay > > Definitely i'll have. Have a nice day, Andrea ______________________________________________ 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.
