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Data for Exercise
Arthriti
A data frame with 51 observations on the following 5 variables.
TreatA
a numeric vector
TreatB
TreatC
Time
Treatmnt
# NOT RUN { str(Arthriti) attach(Arthriti) boxplot(Time~Treatmnt) anova(lm(Time~as.factor(Treatmnt))) detach(Arthriti) # }
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