Frequencies for first 10,000 rows of imp_sex variable in natl2016 dataset :

Imputed Sex |
      Blank |
 Infant Sex |
not Imputed |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 4 Oct 2017