Frequencies for first 10,000 rows of prdiag1 variable in nhamcsed2001 dataset :

   is diag1 |
  probable, |
questionabl |
      e, or |
   ruleout? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,583       95.83       95.83
          1 |        183        1.83       97.66
          8 |        234        2.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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