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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        664        6.64        6.64
          2 |      1,030       10.30       16.94
          3 |        869        8.69       25.63
          4 |      1,034       10.34       35.97
          5 |        320        3.20       39.17
          6 |        964        9.64       48.81
          9 |          1        0.01       48.82
         11 |        529        5.29       54.11
         12 |        895        8.95       63.06
         13 |      1,416       14.16       77.22
         14 |      1,048       10.48       87.70
         15 |        309        3.09       90.79
         16 |        866        8.66       99.45
         19 |          1        0.01       99.46
         99 |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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