Frequencies for first 10,000 rows of obesity variable in nhamcsopd2007 dataset : does | patient now | have: | obesity | Freq. Percent Cum. ------------+----------------------------------- no | 9,197 91.97 91.97 yes | 803 8.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016