Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,740 77.40 77.40 2 | 2,014 20.14 97.54 3 | 93 0.93 98.47 4 | 19 0.19 98.66 9 | 134 1.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016