Frequencies for first 10,000 rows of racerfl variable in nhamcsopd2010 dataset : race | imputed? | Freq. Percent Cum. ------------+----------------------------------- not imputed | 8,853 88.53 88.53 imputed | 1,147 11.47 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016