Frequencies for first 10,000 rows of sex variable in natl2014 dataset :

     Sex of |
   Infant M |
       Male |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      4,833       48.33       48.33
          M |      5,167       51.67      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016