Frequencies for first 10,000 rows of prov3360 variable in pos1997 dataset : srv: occup | ther-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,410 74.10 74.10 N | 2,448 24.48 98.58 Y | 142 1.42 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016