Frequencies for first 10,000 rows of othrexam variable in nhamcsopd2004 dataset :

 other exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      7,650       76.50       76.50
        yes |      2,350       23.50      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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