Frequencies for first 10,000 rows of restatus variable in natl1986 dataset : Resident | status | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,595 75.95 75.95 2 | 2,200 22.00 97.95 3 | 203 2.03 99.98 4 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016