costatis.randtest {ade4} | R Documentation |
Performs a Monte-Carlo test on a Costatis analysis.
costatis.randtest(KTX, KTY, nrepet = 999)
KTX |
an objet of class ktab |
KTY |
an objet of class ktab |
nrepet |
the number of permutations |
a list of the class randtest
Jean Thioulouse Jean.Thioulouse@univ-lyon1.fr
Thioulouse J. (2011). Simultaneous analysis of a sequence of paired ecological tables: a comparison of several methods. Annals of Applied Statistics, 5, 2300-2325.
data(meau) wit1 <- withinpca(meau$env, meau$design$season, scan = FALSE, scal = "total") pcaspe <- dudi.pca(meau$spe, scale = FALSE, scan = FALSE, nf = 2) wit2 <- wca(pcaspe, meau$design$season, scan = FALSE, nf = 2) kta1 <- ktab.within(wit1, colnames = rep(c("S1","S2","S3","S4","S5","S6"), 4)) kta2 <- ktab.within(wit2, colnames = rep(c("S1","S2","S3","S4","S5","S6"), 4)) costatis1 <- costatis(kta1, kta2, scan = FALSE) costatis.randtest(kta1, kta2)