Frequencies for first 10,000 rows of race variable in nhamcsopd2004 dataset : patient race | Freq. Percent Cum. -----------------------------------+----------------------------------- white only | 6,764 67.64 67.64 black/african american only | 2,625 26.25 93.89 asian only | 430 4.30 98.19 native hawaiian/oth pac isl only | 38 0.38 98.57 american indian/alaska native only | 31 0.31 98.88 more than one race reported | 112 1.12 100.00 -----------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016