Frequencies for first 10,000 rows of ckd variable in namcs2014 dataset :

       Does |
patient now |
      have: |
    Chronic |
     kidney |
    disease |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,680       96.80       96.80
        Yes |        320        3.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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