Frequencies for first 10,000 rows of rx6v3c3 variable in namcs2010 dataset : for rx6, | level 3 of | multum drug | category #3 | Freq. Percent Cum. ------------+----------------------------------- | 9,989 99.89 99.89 197 | 4 0.04 99.93 203 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016