Frequencies for first 10,000 rows of arthrtis variable in namcs2005 dataset :

       does |
patient now |
     have - |
  arthritis |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,730       87.30       87.30
          1 |      1,270       12.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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