Frequencies for first 10,000 rows of racer variable in namcs2012 dataset : Patient | race - | imputed | Freq. Percent Cum. ------------+----------------------------------- White | 8,559 85.59 85.59 Black | 882 8.82 94.41 Other | 559 5.59 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016