Frequencies for first 10,000 rows of mrace variable in natl2010 dataset : Mother's | Race U | Freq. Percent Cum. ------------+----------------------------------- 1 | 6,103 61.03 61.03 2 | 405 4.05 65.08 3 | 2,559 25.59 90.67 4 | 19 0.19 90.86 5 | 14 0.14 91.00 6 | 37 0.37 91.37 7 | 336 3.36 94.73 78 | 527 5.27 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015