Frequencies for first 10,000 rows of ormoth variable in natl1999 dataset : Hispanic | Origin of | Mother | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,756 97.56 97.56 1 | 171 1.71 99.27 2 | 16 0.16 99.43 3 | 3 0.03 99.46 4 | 19 0.19 99.65 5 | 34 0.34 99.99 9 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015