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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        564        5.64        5.64
          2 |        862        8.62       14.26
          3 |        770        7.70       21.96
          4 |        792        7.92       29.88
          5 |        200        2.00       31.88
          6 |      1,132       11.32       43.20
          9 |         15        0.15       43.35
         11 |        785        7.85       51.20
         12 |        547        5.47       56.67
         13 |      1,826       18.26       74.93
         14 |      1,214       12.14       87.07
         15 |        456        4.56       91.63
         16 |        811        8.11       99.74
         19 |         10        0.10       99.84
         99 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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