Frequencies for first 10,000 rows of pelvic variable in nhamcsopd2005 dataset :

pelvic exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,246       92.46       92.46
        yes |        754        7.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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