Frequencies for first 10,000 rows of prov3420 variable in pos1992 dataset : srv: speech | path-offsit | e-residen | Freq. Percent Cum. ------------+----------------------------------- | 7,366 73.66 73.66 N | 2,481 24.81 98.47 Y | 153 1.53 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016