Data on an experiment concerning the production of leaf springs for trucks. A \(2^{5-1}\) fractional factorial experiment with 3 replicates was carried out with objective of recommending production settings to achieve a free height as close as possible to 8 inches.
data(truck)A data frame with 48 observations on the following 6 variables.
Bfurnace temperature - a factor with levels + -
Cheating time - a factor with levels + -
Dtransfer time - a factor with levels + -
Ehold-down time - a factor with levels + -
Oquench oil temperature - a factor with levels + -
heightleaf spring free height in inches
P. McCullagh and J. Nelder (1989) "Generalized Linear Models" Chapman and Hall, 2nd ed.