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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        699        6.99        6.99
          2 |      1,072       10.72       17.71
          3 |        765        7.65       25.36
          4 |        893        8.93       34.29
          5 |        237        2.37       36.66
          6 |        947        9.47       46.13
          9 |        227        2.27       48.40
         11 |        620        6.20       54.60
         12 |        402        4.02       58.62
         13 |      1,940       19.40       78.02
         14 |      1,065       10.65       88.67
         15 |        340        3.40       92.07
         16 |        750        7.50       99.57
         19 |         36        0.36       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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