Frequencies for first 10,000 rows of eddial variable in nhamcsed2009 dataset :

       does |
    patient |
      have: |
  condition |
  requiring |
   dialysis |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,915       99.15       99.15
          1 |         85        0.85      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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