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Cabbage yield in dependence of four doses of fertilizer.
data(cabbage)
A data frame with 20 observations on the following 2 variables.
Fert
a factor with levels D1 D2 D3 D4, the different doses of fertilizer
D1
D2
D3
D4
yield
a numeric vector, cabbage yield
# NOT RUN { data(cabbage) boxplot(yield~Fert, data=cabbage) # }
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