detergent: Detergent

Description Usage Format Source References

Description

An experiment to compare dishwashing detergent formulations. (Chapter 11, Table 11.8)

Usage

1

Format

A data frame with 36 rows and 5 variables:

BLOCK

blocking factor - 12 levels

TRTMT

treatment combination - 9 levels

Y

number of plates washed in sink before detergent foam disappeared

BASE

base detergent type - 3 levels

ADDITIVE

parts of additive for base detergent - 4 levels

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.