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

       RDWY |
   FUNCTION |
      CLASS |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        590        5.90        5.90
          2 |        985        9.85       15.75
          3 |        916        9.16       24.91
          4 |      1,099       10.99       35.90
          5 |        298        2.98       38.88
          6 |        920        9.20       48.08
          9 |          1        0.01       48.09
         11 |        497        4.97       53.06
         12 |        809        8.09       61.15
         13 |      1,551       15.51       76.66
         14 |      1,050       10.50       87.16
         15 |        305        3.05       90.21
         16 |        923        9.23       99.44
         19 |          1        0.01       99.45
         99 |         55        0.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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