Frequencies for first 10,000 rows of owner variable in vehicle dataset : REGISTERED | VEHICLE | OWNER | Freq. Percent Cum. ------------+----------------------------------- 0 | 578 5.78 5.78 1 | 5,267 52.67 58.45 2 | 2,670 26.70 85.15 3 | 866 8.66 93.81 4 | 121 1.21 95.02 5 | 37 0.37 95.39 6 | 68 0.68 96.07 9 | 393 3.93 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016