Frequencies for first 10,000 rows of tranpsyc variable in nhamcsed2012 dataset :

Transfer to |
psychiatric |
   hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,941       99.41       99.41
        Yes |         59        0.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016