Frequencies for first 10,000 rows of prov3300 variable in pos2002 dataset : srv: phys | extender-of | fsite-resid | Freq. Percent Cum. ------------+----------------------------------- | 7,326 73.26 73.26 N | 2,547 25.47 98.73 Y | 127 1.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016