`summary.cca` <- function (object,
digits = max(3, getOption("digits") - 3),
...)
{
summ <- list()
summ$call <- object$call
summ$tot.chi <- object$tot.chi
## only the Real component for capscale() with negative eigenvalues
if (!is.null(object$CA$imaginary.chi))
summ$tot.chi <- summ$tot.chi - object$CA$imaginary.chi
summ$partial.chi <- object$pCCA$tot.chi
summ$constr.chi <- object$CCA$tot.chi
summ$unconst.chi <- object$CA$tot.chi
## nested list cont$importance needed to keep vegan pre-2.5-0 compatibility
summ$cont$importance <- summary(eigenvals(object))
if (!is.null(object$CCA) && object$CCA$rank > 0)
summ$concont$importance <- summary(eigenvals(object, model = "constrained"))
summ$digits <- digits
summ$inertia <- object$inertia
summ$method <- object$method
class(summ) <- "summary.cca"
summ
}
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