Frequencies for first 10,000 rows of rectal variable in namcs2008 dataset :

rectal exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,801       98.01       98.01
        yes |        199        1.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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