Frequencies for first 10,000 rows of glucose variable in nhamcsed2007 dataset :

    glucose |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      7,445       74.45       74.45
        yes |      2,555       25.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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