Frequencies for first 10,000 rows of prov3360 variable in pos1999 dataset : srv: occup | ther-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 2,474 24.74 98.61 Y | 139 1.39 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016