Frequencies for first 10,000 rows of prov3390 variable in pos2008 dataset : srv: | activities- | offsite-res | idents | Freq. Percent Cum. ------------+----------------------------------- | 7,661 76.61 76.61 N | 2,255 22.55 99.16 Y | 84 0.84 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016