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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        795        7.95        7.95
          2 |      1,036       10.36       18.31
          3 |        779        7.79       26.10
          4 |        850        8.50       34.60
          5 |        185        1.85       36.45
          6 |      1,124       11.24       47.69
          9 |         14        0.14       47.83
         11 |        662        6.62       54.45
         12 |        471        4.71       59.16
         13 |      1,930       19.30       78.46
         14 |      1,098       10.98       89.44
         15 |        290        2.90       92.34
         16 |        735        7.35       99.69
         19 |         14        0.14       99.83
         99 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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