Frequencies for first 10,000 rows of pelvic variable in nhamcsed2015 dataset :

Pelvic exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,882       98.82       98.82
        Yes |        118        1.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017