Frequencies for first 10,000 rows of paymcare variable in namcs2012 dataset : Expected | source of | payment for | visit: | Medicare | Freq. Percent Cum. ------------+----------------------------------- No | 7,547 75.47 75.47 Yes | 2,453 24.53 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016