Frequencies for first 10,000 rows of prov3395 variable in pos1999 dataset : srv: social | work-onsite | -residents | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 227 2.27 76.14 Y | 2,386 23.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016