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

    Roadway |
   Function |
      Class |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        888        8.88        8.88
          2 |      1,065       10.65       19.53
          3 |      1,330       13.30       32.83
          4 |      1,221       12.21       45.04
          5 |        146        1.46       46.50
          6 |        947        9.47       55.97
          9 |          4        0.04       56.01
         11 |        528        5.28       61.29
         12 |        201        2.01       63.30
         13 |      1,998       19.98       83.28
         14 |        888        8.88       92.16
         15 |        187        1.87       94.03
         16 |        597        5.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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