Frequencies for first 10,000 rows of prdiag1 variable in nhamcsopd2001 dataset :

   is diag1 |
  probable, |
questionabl |
      e, or |
   ruleout? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,694       96.94       96.94
          1 |        141        1.41       98.35
          8 |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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