Frequencies for first 10,000 rows of profile variable in accident dataset : ROADWAY | PROFILE | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,722 77.22 77.22 2 | 1,964 19.64 96.86 3 | 104 1.04 97.90 4 | 10 0.10 98.00 9 | 200 2.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016