Frequencies for first 10,000 rows of csex variable in natlterr2000 dataset : Sex | Freq. Percent Cum. ------------+----------------------------------- 1 | 5,094 50.94 50.94 2 | 4,906 49.06 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015