Frequencies for first 10,000 rows of obesity variable in namcs1995 dataset :

       does |
    patient |
     have - |
    obesity |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,001       90.01       90.01
          1 |        999        9.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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