Frequencies for first 10,000 rows of racefl variable in nhamcsopd2002 dataset : was patient | race | imputed? | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,605 86.05 86.05 1 | 1,395 13.95 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016