Frequencies for first 10,000 rows of comstat26 variable in nhamcsed2014 dataset : Composition status | code for | medication #26 | Freq. Percent Cum. -------------------+----------------------------------- Single entity drug | 8 0.08 0.08 . | 9,992 99.92 100.00 -------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 Apr 2017