Frequencies for first 10,000 rows of prdiag3 variable in nhamcsed2010 dataset :

   For dx3, is |
this probable, |
 questionable, |
   or ruleout? |      Freq.     Percent        Cum.
---------------+-----------------------------------
not applicable |      8,070       80.70       80.70
            no |      1,877       18.77       99.47
           yes |         53        0.53      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016