Frequencies for first 10,000 rows of mraceimp variable in natlterr2008 dataset : Mother's | Race | Imputed | Flag U;R | Freq. Percent Cum. ------------+----------------------------------- | 9,995 99.95 99.95 1 | 4 0.04 99.99 2 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 May 2016