Frequencies for first 10,000 rows of prov3480 variable in pos2002 dataset : srv: | vocational- | offsite-res | idents | Freq. Percent Cum. ------------+----------------------------------- | 7,326 73.26 73.26 N | 2,528 25.28 98.54 Y | 146 1.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016