Pere,

I agree that there is likely some issue in the data array and how it is 
configured, but it is difficult to troubleshoot without knowing more and seeing 
the input data.

If you communicate with me off-line I am willing to take a look for you.

Best,

Dean

Dr. Dean C. Adams
Professor
Department of Ecology, Evolution, and Organismal Biology
       Department of Statistics
Iowa State University
www.public.iastate.edu/~dcadams/<http://www.public.iastate.edu/~dcadams/>
phone: 515-294-3834

From: Pere Ibáñez [mailto:perei...@gmail.com]
Sent: Tuesday, January 31, 2017 5:34 AM
To: MORPHMET <morphmet@morphometrics.org>
Subject: [MORPHMET] Error in estimate.missing (package geomorph)

I have an array (p x k x n) of landmark corrdinates for a set of specimens. 
Some of them have missing landmarks (NA). I am trying to estimate these 
landmarks using:

estimate.missing(nameofmyarray, method = "Reg")

And I get this error:

Error in incomplete[lndmk, , i] <- tmp : replacement has length zero

Any ideas of what is happening? I followed the exact same procedure with other 
arrays of landmarks and it worked. There is probably something wrong with this 
array, but I have no idea of what...

Thanks!
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