Frequencies for first 10,000 rows of rx11v1c4 variable in namcs2014 dataset : For RX11, | level 1 of | MULTUM drug | category #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,996 99.96 99.96 057 | 2 0.02 99.98 254 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017