Frequencies for first 10,000 rows of obesity variable in nhamcsopd2010 dataset : does | patient now | have: | obesity | Freq. Percent Cum. ------------+----------------------------------- no | 9,169 91.69 91.69 yes | 831 8.31 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016