?cumsum > x <- table(cut(AGE, b=c(0,39,49,59,69,79,89))) > x
(0,39] (39,49] (49,59] (59,69] (69,79] (79,89] 24 38 41 37 26 34 > cumsum(x) (0,39] (39,49] (49,59] (59,69] (69,79] (79,89] 24 62 103 140 166 200 > On 9/25/07, Chung-hong Chan <[EMAIL PROTECTED]> wrote: > Dear R gurus, > > I think this question is very trivial, but I search around the HELP > file and this maillist can come up with no answer. Suppose I have a > vector called AGE like this > > > sort(AGE) > [1] 30 34 35 37 37 38 38 38 38 39 39 40 40 42 42 43 43 43 43 43 43 44 > [23] 44 44 44 44 44 44 45 45 45 46 46 46 46 46 46 47 47 47 47 47 47 48 > ..... > > I can count the frequency based on some cut point using table with cut, > > > table(cut(AGE, b=c(0,39,49,59,69,79,89))) > > (0,39] (39,49] (49,59] (59,69] (69,79] (79,89] > 11 46 70 45 16 1 > > How can I calculate the cumulative Frequency, e.g. > > 0-39 11 > 40-49 57 > 50-59 127 > 60-69 172 > 70-79 188 > 80-89 189 > > using R command? > > > > -- > CH Chan > Research Assistant - KWH > http://www.macgrass.com > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ 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.