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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        574        5.74        5.74
          2 |      1,203       12.03       17.77
          3 |        643        6.43       24.20
          4 |        833        8.33       32.53
          5 |        165        1.65       34.18
          6 |      1,211       12.11       46.29
          9 |         53        0.53       46.82
         11 |        752        7.52       54.34
         12 |        543        5.43       59.77
         13 |      1,619       16.19       75.96
         14 |      1,062       10.62       86.58
         15 |        398        3.98       90.56
         16 |        900        9.00       99.56
         19 |         18        0.18       99.74
         99 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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