Frequencies for first 10,000 rows of prdiag1 variable in nhamcsed2014 dataset :

 For diagnosis |
    1, is this |
     probable, |
 questionable, |
   or ruleout? |      Freq.     Percent        Cum.
---------------+-----------------------------------
Not applicable |         52        0.52        0.52
            No |      9,912       99.12       99.64
           Yes |         36        0.36      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017