rocket_Graeco: Rocket Propellant Example Extended

In ACSWR: A Companion Package for the Book "A Course in Statistics with R"

Description

In continuation of Example 13.4.7 of the Rocket Propellant data, we now have the added blocking factor in test assemblies.

Usage

data(rocket_Graeco)

Format

A data frame with 25 observations on the following 5 variables.

y

burning rate

batch

raw materials batch

op

experience of the operator

treat

formulation type of the propellant A B C D E

assembly

test assemblies a b c d e

References

Montgomery, D. C. (1976-2012). Design and Analysis of Experiments, 8e. J.Wiley.

Examples

data(rocket_Graeco)
plot(y~op+batch+treat+assembly,rocket_Graeco)
rocket.glsd.aov <- aov(y~factor(op)+factor(batch)+treat+assembly,rocket_Graeco)
summary(rocket.glsd.aov)

ACSWR documentation built on May 2, 2019, 6:53 a.m.