procuste.randtest {ade4} | R Documentation

## Monte-Carlo Test on the sum of the singular values of a procustean rotation (in C).

### Description

performs a Monte-Carlo Test on the sum of the singular values of a procustean rotation.

### Usage

    procuste.randtest(df1, df2, nrepet = 999)

### Arguments

`df1` | a data frame
`df2` | a data frame
`nrepet` | the number of permutations

### Value

returns a list of class `randtest`

### References

Jackson, D.A. (1995) PROTEST: a PROcustean randomization TEST of community environment concordance. Ecosciences, 2, 297–303.

### Examples

    data(doubs)
    pca1 <- dudi.pca(doubs$mil, scal = TRUE, scann = FALSE)
    pca2 <- dudi.pca(doubs$poi, scal = FALSE, scann = FALSE)
    protest1 <- procuste.randtest(pca1$tab, pca2$tab, 999)
    protest1
    plot(protest1,main="PROTEST")

[Package Contents]