Frequencies for cfd_hcc88 variable in hcccoefn dataset :

     Angina |
   Pectoris |      Freq.     Percent        Cum.
------------+-----------------------------------
       .191 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019