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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        636        6.36        6.36
          2 |      1,021       10.21       16.57
          3 |        758        7.58       24.15
          4 |        916        9.16       33.31
          5 |        236        2.36       35.67
          6 |        959        9.59       45.26
          9 |        212        2.12       47.38
         11 |        626        6.26       53.64
         12 |        508        5.08       58.72
         13 |      1,984       19.84       78.56
         14 |      1,050       10.50       89.06
         15 |        320        3.20       92.26
         16 |        742        7.42       99.68
         19 |         29        0.29       99.97
         99 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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