Frequencies for alignmnt variable in accident dataset :

    Roadway |
  Alignment |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        420       85.89       85.89
          2 |         69       14.11      100.00
------------+-----------------------------------
      Total |        489      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016