Frequencies for first 10,000 rows of cancer variable in nhamcsopd2011 dataset :

       Does |
patient now |
     have - |
     Cancer |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,384       93.84       93.84
        Yes |        616        6.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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