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

 Affiliated |
   Resident |
   Program: |
 Allopathic |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,479       84.79       84.79
          N |      1,391       13.91       98.70
          Y |        130        1.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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