Frequencies for urgeo variable in impact1996 dataset :

Pre-Reclass |
  ification |
Urban/Rural |
   Location |      Freq.     Percent        Cum.
------------+-----------------------------------
     LURBAN |      1,684       31.76       31.76
     OURBAN |      1,300       24.51       56.27
      RURAL |      2,319       43.73      100.00
------------+-----------------------------------
      Total |      5,303      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016