Frequencies for first 10,000 rows of paynochg variable in nhamcsed2015 dataset Expected | source of | payment: No | charge | Freq. Percent Cum. ------------+----------------------------------- No | 9,945 99.45 99.45 Yes | 55 0.55 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Nov 2017