Frequencies for first 10,000 rows of prov3300 variable in pos1998 dataset : srv: phys | extender-of | fsite-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 2,474 24.74 98.96 Y | 104 1.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016