Frequencies for first 10,000 rows of csex variable in natl1992 dataset : Sex | Freq. Percent Cum. ------------+----------------------------------- 1 | 5,072 50.72 50.72 2 | 4,928 49.28 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015