Frequencies for first 10,000 rows of sex variable in demo2012q4 dataset : Code for | patient's | sex | Freq. Percent Cum. ------------+----------------------------------- | 444 4.44 4.44 F | 5,964 59.64 64.08 M | 3,592 35.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Apr 2017