Frequencies for first 10,000 rows of cancer variable in namcs2008 dataset :

       does |
patient now |
      have: |
     cancer |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,706       97.06       97.06
        yes |        294        2.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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