Frequencies for first 10,000 rows of rx13v3c3 variable in namcs2014 dataset : For RX13, | level 3 of | MULTUM drug | category #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,996 99.96 99.96 197 | 1 0.01 99.97 203 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017