Frequencies for first 10,000 rows of sex variable in natlterr2008 dataset :

     Sex of |
 Infant U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      4,878       48.78       48.78
          M |      5,122       51.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016