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Data from the Split-Plot response surface for cake baking experiment in chapter 10 of Design and Analysis of Experiments with R
data(cakeb)
A data frame with 11 observations on the following 6 variables.
Ovenrun
a factor with levels 1 2 3 4
1
2
3
4
x1
a numeric vector
x2
y
x1sq
x2sq
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