----- Forwarded message from morphmet_modera...@morphometrics.org -----
Date: Wed, 19 Mar 2014 22:16:24 -0700
From: morphmet_modera...@morphometrics.org
Reply-To: morphmet_modera...@morphometrics.org
Subject: Group differences
To: morphmet@morphometrics.org
----- Forwarded message from Patrick Arnold <patrick.arn...@uni-jena.de> -----
Date: Mon, 10 Mar 2014 08:59:14 -0400
From: Patrick Arnold <patrick.arn...@uni-jena.de>
Reply-To: Patrick Arnold <patrick.arn...@uni-jena.de>
Subject: Group differences
To: morphmet@morphometrics.org
Dear morphometrics,
my data contains 5 a priori determined groups. I did CVA in MorphoJ
but I know CVA not necessarily reveals significant groups. Thus, I
want to verify my groups statistically. Manova with CVs in Past reveal
significant groups, comparison between groups in MorphoJ and Past,
too. But, if I only use Procrusted coordinates or PCs, Manova in Past
says there are no significant different groups. What do theses results
say about my groups. Is significance with CVs in Manova enough to say
that the 5 groups are really different in shape??
Patrick Arnold
Institut für Spezielle Zoologie und Evolutionsbiologie
mit Phyletischem Museum
Friedrich-Schiller-Universität Jena
Germany
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