Frequencies for first 10,000 rows of arthrtis variable in namcs2013 dataset :

       Does |
patient now |
      have: |
  Arthritis |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,691       86.91       86.91
        Yes |      1,309       13.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017