Frequencies for first 10,000 rows of deformed variable in vehicle dataset : deformation | Freq. Percent Cum. ------------+----------------------------------- 0 | 233 2.33 2.33 2 | 764 7.64 9.97 4 | 1,225 12.25 22.22 6 | 7,317 73.17 95.39 9 | 461 4.61 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016