This is! Thank you everyone.
Caveman On Tue, Mar 15, 2011 at 4:24 PM, Dimitris Rizopoulos < d.rizopou...@erasmusmc.nl> wrote: > try the following: > > DF <- as.data.frame(matrix(sample(2, 120, TRUE), 10, 12)) > > Results <- data.frame( > var = names(DF), > count = colSums(DF == 1), > percentage = colMeans(DF == 1) > ) > > > I hope it helps. > > Best, > Dimitris > > > > On 3/15/2011 3:13 PM, Orvalho Augusto wrote: > >> I have a dataset like this: >> >> q25_1 q25_2 q25_3 q25_4 q25_5 q25_6 q25_7 q25_8 q25_9 q25_10 q25_11 >> q25_12 >> 1 2 2 1 1 2 1 2 1 1 2 1 >> 3 >> 2 2 2 2 1 2 1 2 1 1 2 1 >> 2 >> 3 2 1 1 1 2 1 2 1 2 2 1 >> 2 >> 4 2 2 1 1 2 2 2 1 1 1 2 >> 2 >> 5 2 2 1 1 2 3 2 1 2 2 2 >> 2 >> 6 2 2 1 1 2 2 2 1 1 1 2 >> 2 >> 7 2 2 1 1 2 3 2 1 2 2 3 >> 2 >> 8 2 2 1 1 1 1 2 1 1 1 2 >> 2 >> 9 2 2 1 1 2 2 2 1 2 2 2 >> 2 >> 10 2 2 1 1 2 2 2 1 2 1 2 >> 2 >> >> where those q25_ variables are answers (coded 1 for Yes 2 for No). Now I >> need a way to table counting the ones foreach variables like >> >> var count percentage >> q25_1 20 80 >> q25_2 34 85 >> ... >> >> Is it possible ir R? >> >> For who used stata might use mrtab. >> >> Thank you >> Orvalho >> >> [[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. >> >> > -- > Dimitris Rizopoulos > Assistant Professor > Department of Biostatistics > Erasmus University Medical Center > > Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands > Tel: <%2B31%2F%280%2910%2F7043478>+31/(0)10/7043478 > Fax: <%2B31%2F%280%2910%2F7043014>+31/(0)10/7043014 > Web: http://www.erasmusmc.nl/biostatistiek/ > [[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.