Frequencies for gi_schizophrenia_copd variable in hcccoefn dataset :

gi_schizoph |
 renia_copd |      Freq.     Percent        Cum.
------------+-----------------------------------
       .402 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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