Frequencies for first 10,000 rows of admithos variable in nhamcsopd1996 dataset :

admitted to |
   hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,893       98.93       98.93
          1 |        107        1.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016