Frequencies for first 10,000 rows of sex variable in demo2015q4 dataset : Code for | patient's | sex | Freq. Percent Cum. ------------+----------------------------------- | 861 8.61 8.61 F | 5,776 57.76 66.37 M | 3,363 33.63 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 6 Apr 2017