Frequencies for first 10,000 rows of resint variable in nhamcsed2012 dataset : ED | resident/in | tern seen | Freq. Percent Cum. ------------+----------------------------------- No | 8,908 89.08 89.08 Yes | 1,092 10.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 7 Nov 2016