Frequencies for first 10,000 rows of compgst_imp variable in natlterr2015 dataset : Combined | Gestation | Imputation | Flag Blank | Combined | Gestation | is not i | Freq. Percent Cum. ------------+----------------------------------- 1 | 43 0.43 0.43 . | 9,957 99.57 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Oct 2016