Frequencies for gc_hcc9 variable in hcccoefn dataset :

   lung and |
      other |
     severe |
    cancers |      Freq.     Percent        Cum.
------------+-----------------------------------
      1.006 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016