Frequencies for first 10,000 rows of sex variable in mort2006 dataset :

        Sex |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      5,112       51.12       51.12
          M |      4,888       48.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015