Frequencies for first 10,000 rows of imp_sex variable in natlterr2014 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 , 15 Jun 2016