Frequencies for first 10,000 rows of mrace variable in natlterr1996 dataset : Race of | Mother | Freq. Percent Cum. ------------+----------------------------------- 0 | 25 0.25 0.25 1 | 9,220 92.20 92.45 2 | 755 7.55 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015