Frequencies for first 10,000 rows of drivwhls variable in vindecode dataset : number of | wheels | driven by | the power | train. for | example in | a 6x4 | configurati | on t | Freq. Percent Cum. ------------+----------------------------------- | 961 9.61 9.61 0 | 3,219 32.19 41.80 2 | 3,762 37.62 79.42 4 | 2,056 20.56 99.98 6 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016