Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,628 76.28 76.28 2 | 2,033 20.33 96.61 3 | 124 1.24 97.85 4 | 29 0.29 98.14 9 | 186 1.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016