Frequencies for first 10,000 rows of cancer variable in namcs2011 dataset :

       Does |
patient now |
      have: |
     Cancer |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,595       95.95       95.95
        Yes |        405        4.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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