Frequencies for first 10,000 rows of alignmnt variable in accident dataset : ROADWAY | ALIGNMENT | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,633 76.33 76.33 2 | 2,285 22.85 99.18 9 | 82 0.82 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016