Frequencies for first 10,000 rows of prov3420 variable in pos2008 dataset : srv: speech | path-offsit | e-residen | Freq. Percent Cum. ------------+----------------------------------- | 7,661 76.61 76.61 N | 2,193 21.93 98.54 Y | 146 1.46 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016