heplots (version 0.8-1)

Plastic: Plastic Film Data

Description

An experiment was conducted to determine the optimum conditions for extruding plastic film. Three responses were measured in relation to two factors, rate of extrusion and amount of an additive.

Usage

data(Plastic)

source

Johnson, R.A. & Wichern, D.W. (1992). Applied Multivariate Statistical Analysis, 3rd ed., Prentice-Hall. Example 6.12 (p. 266).

References

Krzanowski, W. J. (1988). Principles of Multivariate Analysis. A User's Perspective. Oxford. (p. 381)

Examples

str(Plastic)
plastic.mod <- lm(cbind(tear, gloss, opacity) ~ rate*additive, data=Plastic)
Anova(plastic.mod)

pairs(plastic.mod)