Frequencies for cfd_hcc111 variable in hcccoefn dataset :

    Chronic |
Obstructive |
  Pulmonary |
    Disease |      Freq.     Percent        Cum.
------------+-----------------------------------
       .333 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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