Frequencies for first 10,000 rows of cancer variable in namcs2012 dataset :

       Does |
patient now |
      have: |
     Cancer |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,450       94.50       94.50
        Yes |        550        5.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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