papertowel.strength: Paper towel strength

In clayford/dvdata: Data Files for Design and Analysis of Experiments (Dean & Voss)

Description

An experiment to compare relative strengths of two brands of paper towels under varying levels of moisture saturation and liquid type. (Chapter 7, Table 7.20)

Usage

papertowel.strength

Format

A data frame with 24 rows and 6 variables:

ABC

treatment combinations

A

amount of liquid - 2 levels (5 or 10 drops)

B

brand of towel - 2 levels

C

type of liquid - 2 levels (beer or water)

STRENGTH

"strength" of paper towel

ORDER

run order

Source

http://www.wright.edu/~dan.voss/bookdata/data.html

References

Dean, A. and Voss, D. (1999). Design and Analysis of Experiments. New York, Springer.

Examples

with(papertowel.strength, interaction.plot(A, B, STRENGTH))
with(papertowel.strength, interaction.plot(A, C, STRENGTH))
with(papertowel.strength, interaction.plot(B, C, STRENGTH))

clayford/dvdata documentation built on May 13, 2019, 7:38 p.m.