Frequencies for first 10,000 rows of prov3405 variable in pos1998 dataset : srv: social | work-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,422 74.22 74.22 N | 2,458 24.58 98.80 Y | 120 1.20 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016