[Vegan-commits] r1185 - in pkg/vegan: R inst

[noreply at r-forge.r-project.org]

Author: jarioksa
Date: 2010-05-05 11:01:53 +0200 (Wed, 05 May 2010)
New Revision: 1185

Modified:
   pkg/vegan/R/postMDS.R
   pkg/vegan/inst/ChangeLog
Log:
metaMDS handles NA values in dissimilarities (but does isoMDS?)

Modified: pkg/vegan/R/postMDS.R
===================================================================
--- pkg/vegan/R/postMDS.R	2010-05-02 18:54:58 UTC (rev 1184)
+++ pkg/vegan/R/postMDS.R	2010-05-05 09:01:53 UTC (rev 1185)
@@ -39,7 +39,7 @@
         }
     }
     if (!halfchange) {
-        scl <- max(dist)/max(vegdist(x, "euclidean"))
+        scl <- max(dist, na.rm = TRUE)/max(vegdist(x, "euclidean"))
         x <- x*scl
     }
     if (plot && halfchange) {

Modified: pkg/vegan/inst/ChangeLog
===================================================================
--- pkg/vegan/inst/ChangeLog	2010-05-02 18:54:58 UTC (rev 1184)
+++ pkg/vegan/inst/ChangeLog	2010-05-05 09:01:53 UTC (rev 1185)
@@ -4,6 +4,9 @@
 
 Version 1.18-4 (opened April 15, 2010)
 
+	* metaMDS: can handle NA values in dissimilarities (but I do not
+	know if isoMDS can handle them correctly).
+
 	* mantel.correlog: accepts now user supplied breakpoints or number
 	of classes like intended.