[Vegan-commits] r435 - pkg/man
noreply at r-forge.r-project.org
noreply at r-forge.r-project.org
Wed Jun 18 08:40:29 CEST 2008
Author: jarioksa
Date: 2008-06-18 08:40:29 +0200 (Wed, 18 Jun 2008)
New Revision: 435
Modified:
pkg/man/cca.Rd
pkg/man/varpart.Rd
Log:
cca formula has always accepted a matrix as a term
Modified: pkg/man/cca.Rd
===================================================================
--- pkg/man/cca.Rd 2008-06-18 06:29:23 UTC (rev 434)
+++ pkg/man/cca.Rd 2008-06-18 06:40:29 UTC (rev 435)
@@ -86,7 +86,9 @@
The constraints can contain ordered or unordered factors,
interactions among variables and functions of variables. The defined
\code{\link{contrasts}} are honoured in \code{\link{factor}}
- variables. The formula can include a special term \code{Condition}
+ variables. The constraints can also be matrices (but not data
+ frames).
+ The formula can include a special term \code{Condition}
for conditioning variables (``covariables'') ``partialled out'' before
analysis. So the following commands are equivalent: \code{cca(X, Y,
Z)}, \code{cca(X ~ Y + Condition(Z))}, where \code{Y} and \code{Z}
Modified: pkg/man/varpart.Rd
===================================================================
--- pkg/man/varpart.Rd 2008-06-18 06:29:23 UTC (rev 434)
+++ pkg/man/varpart.Rd 2008-06-18 06:40:29 UTC (rev 435)
@@ -255,7 +255,9 @@
mite.hel <- decostand(mite, "hel")
mod <- varpart(mite.hel, mm1, mm2, mite.pcnm)
# Use RDA to test fraction [a]
-rda.result <- rda(mite.hel, mm1, cbind(mm2, mite.pcnm))
+# Matrix can be an argument in formula
+rda.result <- rda(mite.hel ~ mm1 + Condition(mm2) +
+ Condition(as.matrix(mite.pcnm)))
anova(rda.result, step=200, perm.max=200)
# Four explanatory tables
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