Frequencies for first 10,000 rows of prov3290 variable in pos2007 dataset : srv: phys | extender-on | site-reside | nt | Freq. Percent Cum. ------------+----------------------------------- | 7,522 75.22 75.22 N | 1,899 18.99 94.21 Y | 579 5.79 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017