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

   areas of |
   impact - |
    initial |
    contact |
      point |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        934        9.34        9.34
          1 |        197        1.97       11.31
          2 |         97        0.97       12.28
          3 |        192        1.92       14.20
          4 |         61        0.61       14.81
          5 |         46        0.46       15.27
          6 |        654        6.54       21.81
          7 |         82        0.82       22.63
          8 |         59        0.59       23.22
          9 |        222        2.22       25.44
         10 |         94        0.94       26.38
         11 |        214        2.14       28.52
         12 |      4,448       44.48       73.00
         13 |          7        0.07       73.07
         14 |        258        2.58       75.65
         18 |          7        0.07       75.72
         19 |          6        0.06       75.78
         61 |        293        2.93       78.71
         62 |        161        1.61       80.32
         63 |         75        0.75       81.07
         81 |        259        2.59       83.66
         82 |        133        1.33       84.99
         83 |         70        0.70       85.69
         98 |        371        3.71       89.40
         99 |        123        1.23       90.63
          . |        937        9.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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