Thank you Dean,

Of course, numbers should differ. But in my case, there is no correlation 
between two sets. I guess that in theory the two sets should have r at 
least around 0.9?

On Tuesday, October 31, 2017 at 5:31:51 PM UTC+3, dcadams wrote:
>
> Andrey,
>
>  
>
> It is unreasonable to expect the numbers will match perfectly between 
> these two software packages, as the way in which they perform the 
> operations differs.  First, MorphoJ uses Full Procrustes fit, whereas the 
> TPS series, geomorph, and others use Partial Procrustes fitting. That will 
> make a difference. 
>
>  
>
> Second, there may be additional differences in in how the superimponsed 
> specimens, and thus the consensus, is aligned relative to the X-Y 
> coordinate system. Some packages allow one to rotate the consensus and 
> aligned specimens to their principal axes post-superimposition. That too 
> could lead to differences. 
>
>
> Dean
>
>  
>
> Dr. Dean C. Adams
>
> Professor
>
> Department of Ecology, Evolution, and Organismal Biology
>
>        Department of Statistics
>
> Iowa State University
>
> www.public.iastate.edu/~dcadams/
>
> phone: 515-294-3834
>
>  
>
> *From:* Andrey Lissovsky [mailto:andl...@gmail.com <javascript:>] 
> *Sent:* Tuesday, October 31, 2017 9:26 AM
> *To:* MORPHMET <morp...@morphometrics.org <javascript:>>
> *Cc:* andl...@gmail.com <javascript:>; vol...@yandex.ru <javascript:>
> *Subject:* Re: [MORPHMET] Procrustes fit
>
>  
>
> Thank you, Andrea
>
> I understand that difference should be tiny, so something goes wrong. I 
> enclose one of my tps files. Usually I check dots and commas, so the reason 
> is probably in some different way..
> It is possible that I am mixing up menu items.. Last time I use this 
> software, the labels were different.
> Now I use:
> In MorphoJ: Preliminaries -- New Procrustes fit -- Align by principle axes
>             then: Export dataset -- Procrustes coordinates
> In TPS Relw: Actions -- Consensus
>             then: File -- Save -- Aligned specimens
> Is this ok? Should these chains lead to the same results?
>
> On Tuesday, October 31, 2017 at 5:04:56 PM UTC+3, alcardini wrote:
>
> Andrey, the last time I checked this (last July, I believe), differences 
> between MorphoJ and TPSRelw were tiny and negligible. I compared MorphoJ 
> with R in the last days, and again differences were tiny. 
>
> The first thing I'd check is whether there's an issue with commas vs 
> dots as decimal separators. 
> If you send me the tps file, I can give a quick look. 
>
> Cheers 
>
> Andrea 
>
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