Hi all,
Assume that I have the following data set : cntry state city Gender (1=F and 2=M) 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 2 1 2 2 2 1 2 3 2 1 2 3 1 I want to calculate the number of Females and Males, total (F+M) and percentage (F/M) by country, state and city. Here is the sample of the output file that I would like to have in a file. cntry state City Gender Cntry_F Cntry_M Cntry_total 100 (Cntry_F/Cntry_M) St_F st_M St_total 100*( St_F/ St_M) City_F City_M City_total 100*( City_F/ City_M) 1 1 1 1 3 4 7 75 2 2 4 50 1 1 3 33 1 1 1 2 3 4 7 75 2 2 4 50 1 1 3 33 1 1 1 1 3 4 7 75 2 2 4 50 1 1 3 33 1 1 2 2 3 4 7 75 2 2 4 50 2 0 2 100 1 2 2 2 3 4 7 75 2 1 3 67 2 0 2 100 1 2 3 2 3 4 7 75 2 1 3 67 1 1 2 50 1 2 3 1 3 4 7 75 2 1 3 67 1 1 2 50 Your help is highly appreciated in advance [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.