Frequencies for first 10,000 rows of pelvic variable in nhamcsopd2006 dataset :

pelvic exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,159       91.59       91.59
        Yes |        841        8.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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