Frequencies for first 10,000 rows of resint variable in nhamcsed2011 dataset : ED | resident/in | tern seen | Freq. Percent Cum. ------------+----------------------------------- No | 8,714 87.14 87.14 Yes | 1,286 12.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016