Frequencies for first 10,000 rows of p_crash3 variable in vehicle dataset :

  attempted |
  avoidance |
   maneuver |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         61        0.61        0.61
          1 |      6,693       66.93       67.54
          2 |        175        1.75       69.29
          3 |        439        4.39       73.68
          4 |        147        1.47       75.15
          6 |        583        5.83       80.98
          7 |        502        5.02       86.00
          8 |        195        1.95       87.95
          9 |        190        1.90       89.85
         10 |         15        0.15       90.00
         11 |          1        0.01       90.01
         12 |          4        0.04       90.05
         98 |         46        0.46       90.51
         99 |        949        9.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016