Frequencies for first 10,000 rows of rehab_unit_sw variable in pos1994 dataset :

rehabilitat |
   ion unit |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,860       98.60       98.60
          Y |        140        1.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017