Frequencies for first 10,000 rows of road_fnc variable in accident dataset :

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        597        5.97        5.97
          2 |        957        9.57       15.54
          3 |        686        6.86       22.40
          4 |        786        7.86       30.26
          5 |        216        2.16       32.42
          6 |      1,134       11.34       43.76
          9 |         12        0.12       43.88
         11 |        777        7.77       51.65
         12 |        571        5.71       57.36
         13 |      1,794       17.94       75.30
         14 |      1,136       11.36       86.66
         15 |        390        3.90       90.56
         16 |        846        8.46       99.02
         19 |         10        0.10       99.12
         99 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016