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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        591        5.91        5.91
          2 |        875        8.75       14.66
          3 |        951        9.51       24.17
          4 |      1,116       11.16       35.33
          5 |        318        3.18       38.51
          6 |        967        9.67       48.18
         11 |        531        5.31       53.49
         12 |        908        9.08       62.57
         13 |      1,480       14.80       77.37
         14 |      1,091       10.91       88.28
         15 |        301        3.01       91.29
         16 |        863        8.63       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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