[Vegan-commits] r869 - pkg/vegan/inst

noreply at r-forge.r-project.org noreply at r-forge.r-project.org
Fri Jun 12 07:54:04 CEST 2009


Author: jarioksa
Date: 2009-06-12 07:54:04 +0200 (Fri, 12 Jun 2009)
New Revision: 869

Modified:
   pkg/vegan/inst/ChangeLog
Log:
ChangeLog on latest capscale updates

Modified: pkg/vegan/inst/ChangeLog
===================================================================
--- pkg/vegan/inst/ChangeLog	2009-06-12 05:47:52 UTC (rev 868)
+++ pkg/vegan/inst/ChangeLog	2009-06-12 05:54:04 UTC (rev 869)
@@ -10,13 +10,16 @@
 	specified (and then negative eigenvalues are not produced). The
 	negative eigenvalues are listed after positive unconstrained
 	eigenvalues, but no scores are given for them. The total inertia
-	and the total unconstrained inertia are now sums of all
-	eigenvalues, including the negative ones. The rank includes
-	negative axes. New argument 'sqrt.dist' makes square root
-	transformation of dissimilarities, producing metric indices in
-	many cases (e.g., Bray-Curtis, Jaccard). Help page and examples
-	now show all these, and therefore the entry on negative
-	eigenvalues was dropped from FAQ-vegan.texi.
+	is now the sum of all eigenvalues, including the negative ones,
+	and inertia components adds item 'Imaginary' for negative
+	eigenvalues after 'Uncostrained'. New argument 'sqrt.dist' makes
+	square root transformation of dissimilarities, producing metric
+	indices in many cases (e.g., Bray-Curtis, Jaccard). Help page and
+	examples now show all these, and therefore the entry on negative
+	eigenvalues was dropped from FAQ-vegan.texi. The closed (max 1)
+	indices are now correctly adjusted for 'rda' and hence the
+	eigenvalues and inertia components are now sqrt(n-1) smaller and
+	similar as in 'cmdscale' and 'wcmdscale'.
 
 	* wcmdscale: remove zero eigenvalues, keep negative, and do not
 	assume that the last eigenvalue is zero. 



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