Frequencies for first 10,000 rows of comstat29 variable in namcs2014 dataset : Composition status | code for | medication #29 | Freq. Percent Cum. -------------------+----------------------------------- Single entity drug | 9 0.09 0.09 . | 9,991 99.91 100.00 -------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017