Frequencies for first 10,000 rows of restatus variable in natl1997 dataset : Resident | status | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,109 71.09 71.09 2 | 2,713 27.13 98.22 3 | 175 1.75 99.97 4 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015