Frequencies for first 10,000 rows of prdiag1 variable in nhamcsed2015 dataset :

 For diagnosis |
    1, is this |
     probable, |
 questionable, |
   or ruleout? |      Freq.     Percent        Cum.
---------------+-----------------------------------
Not applicable |         63        0.63        0.63
            No |      9,908       99.08       99.71
           Yes |         29        0.29      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017