Frequencies for first 10,000 rows of prov3295 variable in pos1994 dataset : srv: phys | extender-on | site-non | res | Freq. Percent Cum. ------------+----------------------------------- | 7,565 75.65 75.65 N | 2,421 24.21 99.86 Y | 14 0.14 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017