Frequencies for first 10,000 rows of raceimp variable in mortterr2007 dataset : Race | Imputation | Flag | Freq. Percent Cum. ------------+----------------------------------- 1 | 3 0.03 0.03 . | 9,997 99.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015