Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,300 73.00 73.00 2 | 2,315 23.15 96.15 3 | 115 1.15 97.30 4 | 12 0.12 97.42 9 | 258 2.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016