Frequencies for first 10,000 rows of ethnicfl variable in nhamcsopd2011 dataset : Ethnicity | imputed | Freq. Percent Cum. ------------+----------------------------------- Not imputed | 9,161 91.61 91.61 Imputed | 839 8.39 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016