Frequencies for first 10,000 rows of resint variable in nhamcsopd2003 dataset : resident/in | tern seen | Freq. Percent Cum. ------------+----------------------------------- no | 8,682 86.82 86.82 yes | 1,318 13.18 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016