Frequencies for first 10,000 rows of prov3405 variable in pos1995 dataset : srv: social | work-offsit | e-residents | Freq. Percent Cum. ------------+----------------------------------- | 7,523 75.23 75.23 N | 2,334 23.34 98.57 Y | 143 1.43 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016