Rocket Propellant Example Extended

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Description

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

Usage

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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

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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)

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