Frequencies for alignmnt variable in accident dataset :

    Roadway |
  Alignment |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        417       85.80       85.80
          2 |         69       14.20      100.00
------------+-----------------------------------
      Total |        486      100.00

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