Frequencies for first 10,000 rows of impact1 variable in vehicle dataset :

   areas of |
   impact - |
    initial |
    contact |
      point |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        671        6.71        6.71
          1 |        233        2.33        9.04
          2 |         82        0.82        9.86
          3 |        138        1.38       11.24
          4 |         54        0.54       11.78
          5 |         60        0.60       12.38
          6 |        699        6.99       19.37
          7 |         64        0.64       20.01
          8 |         56        0.56       20.57
          9 |        203        2.03       22.60
         10 |         90        0.90       23.50
         11 |        231        2.31       25.81
         12 |      5,320       53.20       79.01
         13 |         28        0.28       79.29
         14 |        173        1.73       81.02
         18 |          3        0.03       81.05
         19 |          8        0.08       81.13
         61 |        361        3.61       84.74
         62 |        194        1.94       86.68
         63 |         72        0.72       87.40
         81 |        274        2.74       90.14
         82 |        188        1.88       92.02
         83 |         74        0.74       92.76
         98 |        558        5.58       98.34
         99 |        166        1.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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