ade4 (version 1.7-19)

randtest.between: Monte-Carlo Test on the between-groups inertia percentage (in C).

Description

Performs a Monte-Carlo test on the between-groups inertia percentage.

Usage

# S3 method for between
randtest(xtest, nrepet = 999, ...)

Value

a list of the class randtest

Arguments

xtest

an object of class between

nrepet

the number of permutations

...

further arguments passed to or from other methods

Author

Jean Thioulouse

References

Romesburg, H. C. (1985) Exploring, confirming and randomization tests. Computers and Geosciences, 11, 19--37.

Examples

data(meaudret)
pca1 <- dudi.pca(meaudret$env, scan = FALSE, nf = 3)
rand1 <- randtest(bca(pca1, meaudret$design$season, scan = FALSE), 99)
rand1
plot(rand1, main = "Monte-Carlo test")