Frequencies for cna_hcc77 variable in hcccoefn dataset :

   multiple |
  sclerosis |      Freq.     Percent        Cum.
------------+-----------------------------------
       .441 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 May 2017