Frequencies for first 10,000 rows of cah_rehab_dpu_sw variable in pos2016 dataset :

        CAH |
Rehabilitat |
    ion DPU |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,479       84.79       84.79
          N |      1,471       14.71       99.50
          Y |         50        0.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017