Frequencies for first 10,000 rows of obsphysed variable in nhamcsed2014 dataset :

     What type of |
  physician makes |
    decisions for |
 patients in this |
observation unit? |
               -  |      Freq.     Percent        Cum.
------------------+-----------------------------------
   Not applicable |      5,085       50.85       50.85
Box is not marked |        968        9.68       60.53
    Box is marked |      3,947       39.47      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017