Frequencies for first 10,000 rows of prov3300 variable in pos1994 dataset : srv: phys | extender-of | fsite-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,565 75.65 75.65 N | 2,362 23.62 99.27 Y | 73 0.73 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017