Frequencies for urgeo variable in impact1999 dataset :

Pre-Reclass |
  ification |
Urban/Rural |
   Location |      Freq.     Percent        Cum.
------------+-----------------------------------
     LURBAN |      1,649       32.52       32.52
     OURBAN |      1,203       23.73       56.25
      RURAL |      2,218       43.75      100.00
------------+-----------------------------------
      Total |      5,070      100.00

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