Frequencies for first 10,000 rows of PHYSN_SRVC_ONST_RSDNT_SW variable in pos2011 dataset :

   Service: |
  Physician |
 On-Site to |
  Residents |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        354        3.54        3.54
          N |      7,835       78.35       81.89
          Y |      1,811       18.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019