Description

Data from the Chemical process experiment in chapter 3 of Design and Analysis of Experiments with R

Usage

Format

A data frame with 16 observations on the following 4 variables.

A

a numeric vector containing the coded (-1,1) levels of factor A

B

a numeric vector containing the coded (-1,1) levels of factor B

C

a numeric vector containing the coded (-1,1) levels of factor C

D

a numeric vector containing the coded (-1,1) levels of factor D

y

a numeric vector containing the response

Source

Design and Analysis of Experiments with R, by John Lawson, CRC/Chapman Hall

Examples