daewr (version 1.1-8)

chem: Chemical process experiment data from Chapter 3

Description

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

Usage

data(chem)

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

Examples

# NOT RUN {
data(chem)
# }