Frequencies for first 10,000 rows of cholest variable in nhamcsed2004 dataset :

lipids/chol |
    esterol |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,057       90.57       90.57
        yes |        943        9.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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