Frequencies for first 10,000 rows of sex variable in demo2016q1 dataset :

   Code for |
  patient's |
        sex |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        435        4.35        4.35
          F |      6,424       64.24       68.59
          M |      3,141       31.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017