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

    Roadway |
  Alignment |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,101       71.01       71.01
          2 |      1,474       14.74       85.75
          9 |      1,425       14.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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