Frequencies for first 10,000 rows of payoth variable in nhamcsed2011 dataset : Expected | source of | payment: | Other | Freq. Percent Cum. ------------+----------------------------------- No | 9,666 96.66 96.66 Yes | 334 3.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016