Frequencies for first 10,000 rows of payoth variable in nhamcsopd2011 dataset : Expected | source of | payment - | Other | Freq. Percent Cum. ------------+----------------------------------- No | 9,530 95.30 95.30 Yes | 470 4.70 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016