Frequencies for first 10,000 rows of prdiag1 variable in nhamcsed2010 dataset :

   For dx1, is |
this probable, |
 questionable, |
   or ruleout? |      Freq.     Percent        Cum.
---------------+-----------------------------------
not applicable |         43        0.43        0.43
            no |      9,873       98.73       99.16
           yes |         84        0.84      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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