Frequencies for first 10,000 rows of profile variable in accident dataset : Roadway | Profile | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,247 72.47 72.47 2 | 2,371 23.71 96.18 9 | 382 3.82 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016