papertowel.strength: Paper towel strength

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

Paper towel strength

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 June 11, 2025, 8:43 a.m.