Frequencies for first 10,000 rows of prov3390 variable in pos1995 dataset : srv: | activities- | offsite-res | idents | Freq. Percent Cum. ------------+----------------------------------- | 7,523 75.23 75.23 N | 2,337 23.37 98.60 Y | 140 1.40 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016