Frequencies for first 10,000 rows of wtreduc variable in nhamcsopd2008 dataset :

     weight |
  reduction |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,676       96.76       96.76
        yes |        324        3.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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