rubber {daewr}

Rubber Elasticity data

Description

Data from the Rubber Elasticity Study in chapter 5 of Design and Analysis of Experiments with R

Usage

data(rubber)

Format

A data frame with 96 observations on the following 4 variables.

supplier

a factor with levels A B C D

batch

a factor with levels I II III IV

sample

a factor with levels 1 2

elasticity

a numeric vector

Source

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

Examples

data(rubber)