Frequencies for cpd_hcc78 variable in hcccoefn dataset :

parkinson's |
        and |
huntington' |
 s diseases |      Freq.     Percent        Cum.
------------+-----------------------------------
       .394 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018