Frequencies for first 10,000 rows of cancer variable in nhamcsed2014 dataset : Does | patient | have: | Cancer | Freq. Percent Cum. ------------+----------------------------------- No | 9,673 96.73 96.73 Yes | 327 3.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017