Nothing
`print.cca` <-
function (x, digits = max(3, getOption("digits") - 3), ...)
{
writeLines(strwrap(pasteCall(x$call)))
cat("\n")
if (!is.null(x$CA$imaginary.chi))
totchi <- x$tot.chi - x$CA$imaginary.chi
else
totchi <- x$tot.chi
chi <- c(totchi, x$pCCA$tot.chi, x$CCA$tot.chi, x$CA$tot.chi)
props <- chi/chi[1]
rnk <- c(NA, x$pCCA$rank, x$CCA$rank, x$CA$rank)
## report no. of real axes in dbrda if any negative eigenvalues
if (inherits(x, "dbrda") &&
(!is.null(x$CCA) && x$CCA$poseig < x$CCA$qrank ||
!is.null(x$CA) && x$CA$poseig < x$CA$rank))
poseig <- c(NA, if (!is.null(x$pCCA)) NA, x$CCA$poseig, x$CA$poseig)
else
poseig <- NULL
tbl <- cbind(chi, props, rnk, poseig)
if (!is.null(x$CA$imaginary.chi))
tbl <- rbind(c(x$tot.chi, NA, NA),
tbl,
c(x$CA$imaginary.chi, NA, NA))
colnames(tbl) <- c("Inertia", "Proportion", "Rank",
if (!is.null(poseig)) "RealDims")
rn <- c("Total", "RealTotal", "Conditional", "Constrained", "Unconstrained",
"Imaginary")
rownames(tbl) <- rn[c(TRUE,
!is.null(x$CA$imaginary.chi),
!is.null(x$pCCA),
!is.null(x$CCA),
!is.null(x$CA),
!is.null(x$CA$imaginary.chi))]
## Remove "Proportion" if only one component
if (is.null(x$CCA) && is.null(x$pCCA))
tbl <- tbl[,-2]
## 'cs' columns before "Rank" are non-integer
cs <- which(colnames(tbl) == "Rank") - 1
printCoefmat(tbl, digits = digits, na.print = "", cs.ind = seq_len(cs))
cat("Inertia is", x$inertia, "\n")
## data used for species scores in db ordination
if (!is.null(x$vdata))
cat("Species scores projected from", sQuote(x$vdata), "\n")
if (!is.null(x$CCA$alias))
cat("Some constraints or conditions were aliased because they were redundant\n")
## Report removed observations and species
if (!is.null(x$na.action))
cat(naprint(x$na.action), "\n")
sp.na <- if (is.null(x$CCA)) attr(x$CA$v, "na.action")
else attr(x$CCA$v, "na.action")
if (!is.null(sp.na))
cat(length(sp.na), "species",
ifelse(length(sp.na)==1, "(variable)", "(variables)"),
"deleted due to missingness\n")
if (!is.null(x$CCA) && x$CCA$rank > 0) {
cat("\nEigenvalues for constrained axes:\n")
print(zapsmall(x$CCA$eig, digits = digits), ...)
}
if (!is.null(x$CA) && x$CA$rank > 0) {
ax.lim <- 8
ax.trig <- 16
cat("\nEigenvalues for unconstrained axes:\n")
if (x$CA$rank > ax.trig) {
print(zapsmall(x$CA$eig[1:ax.lim], digits = digits), ...)
cat("(Showing", ax.lim, "of", x$CA$rank,
"unconstrained eigenvalues)\n")
}
else print(zapsmall(x$CA$eig, digits = digits), ...)
}
cat("\n")
if (inherits(x, c("capscale", "dbrda"))) {
if (!is.null(x$metaMDSdist))
cat("metaMDSdist transformed data:", x$metaMDSdist, "\n\n")
if (!is.null(x$ac))
cat("Constant added to distances:", x$ac, "\n\n")
}
invisible(x)
}
### package klaR has another function called rda(), and to avoid using
### klar:::print.rda instead of delegating to vegan:::print.cca we
### define here a (redundant) print.rda
`print.rda` <-
function(x, ...)
{
## not vegan rda?
if (!("CA" %in% names(x)))
stop(gettextf("%s is not a vegan rda object",
sQuote(deparse(substitute(x)))))
NextMethod("print", x, ...)
}
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