Frequencies for first 10,000 rows of owner variable in vehicle dataset : REGISTERED | VEHICLE | OWNER | Freq. Percent Cum. ------------+----------------------------------- 0 | 536 5.36 5.36 1 | 5,144 51.44 56.80 2 | 2,727 27.27 84.07 3 | 968 9.68 93.75 4 | 119 1.19 94.94 5 | 56 0.56 95.50 6 | 57 0.57 96.07 9 | 393 3.93 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016