evaporation: Evaporation

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

Description

An experiment on the evaporation rate of water under different conditions. (Chapter 7, Table 7.19)

Usage

evaporation

Format

A data frame with 16 rows and 4 variables

A

placement of water - cup (1) or plate (2)

B

amount of salt added to water - 1 tsp (1) or 3 tsp (3)

C

location in closet - windowsill (1) or floor (2)

Y

amount of water evaporated (100 ml less the amount remaining)

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

aggregate(Y ~ A + B + C, data=evaporation, mean)
summary(aov(Y ~ A + B + C, data=evaporation))
with(evaporation, interaction.plot(A,B,Y))

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