Frequencies for first 10,000 rows of othdiag variable in nhamcsed1999 dataset : other | diagnostic | imaging | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,874 98.74 98.74 1 | 126 1.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016