Frequencies for first 10,000 rows of prov3480 variable in pos1993 dataset : srv: | vocational- | offsite-res | idents | Freq. Percent Cum. ------------+----------------------------------- | 7,627 76.27 76.27 N | 2,231 22.31 98.58 Y | 142 1.42 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016