Frequencies for first 10,000 rows of csex variable in natl1995 dataset : Sex | Freq. Percent Cum. ------------+----------------------------------- 1 | 5,265 52.65 52.65 2 | 4,735 47.35 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015