Drug US1 US2 Aptecha Celebrex 235.54 269.99 121.02 Detrol LA 157.99 190.99 55.3 Flomax 166.00 190.99 93.45
Lipitor 174.99 200.99 137.7 Novaldex 108.6 129.99 22.48 Norvasc 186.66 203.99 161.93 Plavix 107.99 106.99 64.53 Prevacid 117.39 134.99 59.83 Prilosec 115.99 126.99 57.75 Zyrtec 181.1 200.99 58.79 US1=c(235.54,157.99,166,174.99,108.60,186.66,107.99,117.39,115.99,181.10) US2=c(269.99,190.99,190.99,200.99,129.99,203.99,106.99,134.99,126.99,200.99) Aptecha=c(121.02,55.30,93.45,137.70,22.48,161.93,64.53,59.83,57.75,58.79) y=c(US1,US2,Aptecha) n=rep(10,3) group=rep(1:3,n) data = data.frame(y = y, group = factor(group)) fit = lm(y ~ group, data) anova(fit) summary (fit) -- View this message in context: http://r.789695.n4.nabble.com/Tukey-HSD-not-working-tp3084505p3084505.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
