Frequencies for first 10,000 rows of crace variable in natl1974 dataset : Race of | Child | Freq. Percent Cum. ------------+----------------------------------- 1 | 6,522 65.22 65.22 2 | 3,447 34.47 99.69 3 | 1 0.01 99.70 4 | 2 0.02 99.72 5 | 5 0.05 99.77 7 | 20 0.20 99.97 8 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016