Frequencies for first 10,000 rows of prov3290 variable in pos2008 dataset : srv: phys | extender-on | site-reside | nt | Freq. Percent Cum. ------------+----------------------------------- | 7,661 76.61 76.61 N | 1,777 17.77 94.38 Y | 562 5.62 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017