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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        577        5.77        5.77
          2 |      1,064       10.64       16.41
          3 |        808        8.08       24.49
          4 |      1,062       10.62       35.11
          5 |        337        3.37       38.48
          6 |      1,007       10.07       48.55
          9 |          7        0.07       48.62
         11 |        563        5.63       54.25
         12 |      1,067       10.67       64.92
         13 |      1,395       13.95       78.87
         14 |      1,026       10.26       89.13
         15 |        302        3.02       92.15
         16 |        777        7.77       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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