Frequencies for first 10,000 rows of ethnic variable in nhamcsed1996 dataset : patient | ethnicity | Freq. Percent Cum. ----------------+----------------------------------- Hispanic Origin | 1,552 15.52 15.52 Not Hispanic | 8,448 84.48 100.00 ----------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016