washing.power: Washing power

Description Usage Format Source References

Description

An experiment that investigates the washing power of a solution as measured by the reflectance of pieces of cotton cloth after washing. (Chapter 7, Table 7.24)

Usage

1

Format

A data frame with 27 rows and 4 variables:

A

sodium carbonate - 3 levels (0, 0.05, or 0.1%)

B

detergent - 3 levels (0.05, 0.1, or 0.2%)

C

sodium carboxymethyl cellulose - 3 levels (0, 0.025, or 0.05%)

Y

reflectance

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.


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