Frequencies for first 10,000 rows of ihd variable in namcs2011 dataset :

       Does |
patient now |
      have: |
   Ischemic |
      heart |
    disease |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,671       96.71       96.71
        Yes |        329        3.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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