Frequencies for first 10,000 rows of prov3360 variable in pos1995 dataset : srv: occup | ther-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,523 75.23 75.23 N | 2,330 23.30 98.53 Y | 147 1.47 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016