Frequencies for first 10,000 rows of prov3290 variable in pos1996 dataset : srv: phys | extender-on | site-reside | nt | Freq. Percent Cum. ------------+----------------------------------- | 7,254 72.54 72.54 N | 2,434 24.34 96.88 Y | 312 3.12 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016