----- Forwarded message from Dean Adams
<[email protected]> -----
Date: Wed, 16 Jan 2013 09:56:27
-0500
From: Dean Adams <[email protected]>
Reply-To: Dean Adams
<[email protected]>
Subject: Re: Relating disparity with
Semilandmark
To: [email protected]
Kalpana,
I am not aware of any publications where disparity has been evaluated relative to the incorporation of semilandmarks (though others will surely chime in if they know of such papers). Generally speaking, disparity is a measure of morphospace occupation for a set of specimens. Different sliding methods amount to different optimizations for the alignment of semilandmarks. This will alter the position of specimens in morphospace, and will therefore change disparity estimates for a sample of specimens. Of course, how much and to what extent the values change will be data dependent.
Dean
I am not aware of any publications where disparity has been evaluated relative to the incorporation of semilandmarks (though others will surely chime in if they know of such papers). Generally speaking, disparity is a measure of morphospace occupation for a set of specimens. Different sliding methods amount to different optimizations for the alignment of semilandmarks. This will alter the position of specimens in morphospace, and will therefore change disparity estimates for a sample of specimens. Of course, how much and to what extent the values change will be data dependent.
Dean
-- Dr. Dean C. Adams Professor Department of Ecology, Evolution, and Organismal Biology Department of Statistics Iowa State University Ames, Iowa 50011 www.public.iastate.edu/~dcadams/ phone: 515-294-3834
On 1/16/2013 7:46 AM, [email protected] wrote:
----- Forwarded message from Kalpana Das <[email protected]> -----
Date: Tue, 15 Jan 2013 02:38:02 -0500
From: Kalpana Das <[email protected]>
Reply-To: Kalpana Das <[email protected]>
Subject: Relating disparity with Semilandmark
To: [email protected]Hi all,
I am presently experimenting with how disparity value changes according to different no of semilandmark and also with two different sliding methods.I was wondering how to infer the results and relate disparity with semilandmarks.Is there any such studies which deals with these topics together.Any help in this regard will be appreciated.Looking forward fro your responses.
Thank you
Best,Kalpana
--
Kalpana
Center for Ecological Sciences
Indian Institute of Science
Bangalore-560012 India
Email -[email protected] /
[email protected]
Phone(M) + 919986701835
----- End forwarded message -----
----- End forwarded message -----
