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Data for Exercise 10.18
Laminect
A data frame with 46 observations on the following 5 variables.
cost
a numeric vector
class
Rural
Regional
Metropol
# NOT RUN { str(Laminect) attach(Laminect) boxplot(cost~class) anova(lm(cost~as.factor(class))) detach(Laminect) # }
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