Frequencies for first 10,000 rows of rx3v1c4 variable in namcs2014 dataset : For RX3, | level 1 of | MULTUM drug | category #4 | Freq. Percent Cum. ------------+----------------------------------- | 9,980 99.80 99.80 057 | 16 0.16 99.96 254 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 27 Mar 2017