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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        775        7.75        7.75
          2 |      1,066       10.66       18.41
          3 |        741        7.41       25.82
          4 |        829        8.29       34.11
          5 |        206        2.06       36.17
          6 |        926        9.26       45.43
          9 |        258        2.58       48.01
         11 |        687        6.87       54.88
         12 |        472        4.72       59.60
         13 |      1,865       18.65       78.25
         14 |      1,134       11.34       89.59
         15 |        322        3.22       92.81
         16 |        662        6.62       99.43
         19 |         46        0.46       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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