Frequencies for pimpact1 variable in parkwork dataset :

   areas of |
   impact - |
    initial |
    contact |
      point |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         21        1.94        1.94
          2 |          7        0.65        2.58
          3 |         30        2.77        5.35
          4 |         11        1.01        6.37
          5 |         32        2.95        9.32
          6 |        427       39.39       48.71
          7 |         81        7.47       56.18
          8 |         20        1.85       58.03
          9 |         56        5.17       63.19
         10 |         24        2.21       65.41
         11 |         52        4.80       70.20
         12 |        134       12.36       82.56
         13 |         16        1.48       84.04
         14 |          5        0.46       84.50
         19 |          2        0.18       84.69
         61 |         45        4.15       88.84
         62 |         16        1.48       90.31
         63 |         18        1.66       91.97
         81 |         18        1.66       93.63
         82 |          7        0.65       94.28
         83 |         10        0.92       95.20
         98 |         35        3.23       98.43
         99 |         17        1.57      100.00
------------+-----------------------------------
      Total |      1,084      100.00

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