Frequencies for first 10,000 rows of abs variable in vindecode dataset : (brakes- | abs code) a | code that | describes | whether a | vehicle has | or does not | have | Freq. Percent Cum. ------------+----------------------------------- | 2,798 27.98 27.98 1 | 343 3.43 31.41 2 | 5,145 51.45 82.86 3 | 243 2.43 85.29 4 | 206 2.06 87.35 5 | 996 9.96 97.31 6 | 30 0.30 97.61 7 | 203 2.03 99.64 U | 36 0.36 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016