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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        758        7.58        7.58
          2 |      1,089       10.89       18.47
          3 |        721        7.21       25.68
          4 |        843        8.43       34.11
          5 |        199        1.99       36.10
          6 |      1,119       11.19       47.29
          9 |         51        0.51       47.80
         11 |        700        7.00       54.80
         12 |        489        4.89       59.69
         13 |      1,861       18.61       78.30
         14 |      1,165       11.65       89.95
         15 |        282        2.82       92.77
         16 |        694        6.94       99.71
         19 |         21        0.21       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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