Frequencies for first 10,000 rows of aut_rest variable in person dataset : Automatic | Restraint-F | unction | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,865 98.65 98.65 2 | 1 0.01 98.66 9 | 134 1.34 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016