Frequencies for first 10,000 rows of sex variable in demo2014q1 dataset :

   Code for |
  patient's |
        sex |      Freq.     Percent        Cum.
------------+-----------------------------------
          F |      6,271       62.71       62.71
          M |      3,408       34.08       96.79
         NS |        321        3.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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