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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        737        7.37        7.37
          2 |      1,091       10.91       18.28
          3 |        897        8.97       27.25
          4 |        826        8.26       35.51
          5 |        197        1.97       37.48
          6 |        950        9.50       46.98
          9 |         22        0.22       47.20
         11 |        699        6.99       54.19
         12 |        554        5.54       59.73
         13 |      1,761       17.61       77.34
         14 |      1,240       12.40       89.74
         15 |        329        3.29       93.03
         16 |        651        6.51       99.54
         19 |         19        0.19       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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