[Vegan-commits] r2405 - branches/2.0/man

noreply at r-forge.r-project.org noreply at r-forge.r-project.org
Mon Feb 4 18:01:56 CET 2013


Author: jarioksa
Date: 2013-02-04 18:01:55 +0100 (Mon, 04 Feb 2013)
New Revision: 2405

Modified:
   branches/2.0/man/cca.Rd
Log:
merge r2404: cca.Rd refers to L&L description of the RDA algorithm

Modified: branches/2.0/man/cca.Rd
===================================================================
--- branches/2.0/man/cca.Rd	2013-02-04 13:18:49 UTC (rev 2404)
+++ branches/2.0/man/cca.Rd	2013-02-04 17:01:55 UTC (rev 2405)
@@ -65,7 +65,10 @@
   regression on constraining variables, and the fitted values are
   submitted to correspondence analysis performed via singular value
   decomposition (\code{\link{svd}}). Function \code{rda} is similar, but uses
-  ordinary, unweighted linear regression and unweighted SVD.
+  ordinary, unweighted linear regression and unweighted SVD. Legendre &
+  Legendre (2012), Table 11.5 (p. 650) give a skeleton of the RDA
+  algorithm of \pgk{vegan}. The algorithm of CCA is similar, but
+  involves standardization by row and column weights.
 
   The functions can be called either with matrix-like entries for community
   data and constraints, or with formula interface.  In general, the



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