Hi r-help-boun...@r-project.org napsal dne 25.08.2009 12:07:11:
> Hi, > > the second step in my exercice is to calculate the sum of the amout for each > class et not the frequency > > i have this vector > > x y > 1 100 > 2 1500 > 3 3250 > 4 6250 > 5 2000 > 6 450 > > > i want to use the function table and cat to calculate the sum of the amount in > each class [0-1000], [1000-3000],[> 3000] It starts to look like some kind of homework. If yes you shall seek the help from your tutor. If you want to do it yourself than tapply, by, aggregate or package doBy could be good starting point. Regards Petr > > Thank you for your help?? > > inchallah > > > > [[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.
