Frequencies for first 10,000 rows of prov3420 variable in pos1999 dataset : srv: speech | path-offsit | e-residen | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 2,438 24.38 98.25 Y | 175 1.75 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016