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

   areas of |
   impact - |
    initial |
    contact |
      point |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        837        8.37        8.37
          1 |        185        1.85       10.22
          2 |         70        0.70       10.92
          3 |        180        1.80       12.72
          4 |         55        0.55       13.27
          5 |         43        0.43       13.70
          6 |        564        5.64       19.34
          7 |         64        0.64       19.98
          8 |         65        0.65       20.63
          9 |        234        2.34       22.97
         10 |        102        1.02       23.99
         11 |        261        2.61       26.60
         12 |      4,403       44.03       70.63
         13 |         12        0.12       70.75
         14 |        221        2.21       72.96
         18 |          7        0.07       73.03
         19 |          4        0.04       73.07
         61 |        298        2.98       76.05
         62 |        118        1.18       77.23
         63 |         52        0.52       77.75
         81 |        274        2.74       80.49
         82 |        166        1.66       82.15
         83 |         68        0.68       82.83
         98 |        510        5.10       87.93
         99 |        193        1.93       89.86
          . |      1,014       10.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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