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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        749        7.49        7.49
          2 |      1,081       10.81       18.30
          3 |        753        7.53       25.83
          4 |        889        8.89       34.72
          5 |        245        2.45       37.17
          6 |      1,056       10.56       47.73
          9 |        217        2.17       49.90
         11 |        624        6.24       56.14
         12 |        445        4.45       60.59
         13 |      1,808       18.08       78.67
         14 |      1,026       10.26       88.93
         15 |        325        3.25       92.18
         16 |        731        7.31       99.49
         19 |         40        0.40       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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