alr3 (version 2.0.5)

cakes: Cakes data

Description

Oehlert (2000, Example 19.3) provides data from a small experiment on baking packaged cake mixes.

Format

A data frame with 14 observations on the following 4 variables.

block

a numeric vector

X1

Baking time, minutes

X2

Baking temperature, degrees F

Y

Palatability score

Source

Oehlert, G. W. (2000). A First Course in Design and Analysis of Experiments. New York: Freeman.

References

Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Section 6.1.1.

Examples

head(cakes)
lm(Y~X1+X2+I(X1^2)+I(X2^2)+X1:X2, data=cakes)