Frequencies for first 10,000 rows of alignmnt variable in accident dataset : Roadway | Alignment | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,193 71.93 71.93 2 | 2,765 27.65 99.58 9 | 42 0.42 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016