| manova | R Documentation |
A class for the multivariate analysis of variance.
manova(...)
... |
Arguments to be passed to |
Class "manova" differs from class "aov" in selecting a
different summary method. Function manova calls
aov and then add class "manova" to the result
object for each stratum.
See aov and the comments in ‘Details’ here.
Krzanowski, W. J. (1988) Principles of Multivariate Analysis. A User's Perspective. Oxford.
Hand, D. J. and Taylor, C. C. (1987) Multivariate Analysis of Variance and Repeated Measures. Chapman and Hall.
aov, summary.manova, the latter containing
more examples.
## Set orthogonal contrasts.
op <- options(contrasts = c("contr.helmert", "contr.poly"))
## Fake a 2nd response variable
npk2 <- within(npk, foo <- rnorm(24))
( npk2.aov <- manova(cbind(yield, foo) ~ block + N*P*K, npk2) )
summary(npk2.aov)
( npk2.aovE <- manova(cbind(yield, foo) ~ N*P*K + Error(block), npk2) )
summary(npk2.aovE)
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