Frequencies for first 10,000 rows of aut_rest variable in person dataset : Automatic | Restraint-F | unction | Freq. Percent Cum. ------------+----------------------------------- 0 | 749 7.49 7.49 3 | 12 0.12 7.61 4 | 1 0.01 7.62 9 | 9,238 92.38 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016