Frequencies for first 10,000 rows of arthrtis variable in namcs2011 dataset :

       Does |
patient now |
      have: |
  Arthritis |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,765       87.65       87.65
        Yes |      1,235       12.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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