Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,591 75.91 75.91 2 | 2,154 21.54 97.45 3 | 95 0.95 98.40 4 | 15 0.15 98.55 9 | 145 1.45 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016