[Eeglablist] Reshape error message when using Biosig toolbox

[Maddie Groom]

Dear Makoto

Thanks for your answer. I decided to follow the advice of another user and import using the File I/O plugin instead. Although the Biosig toolbox gives an option to select a reference when importing Biosemi BDF data and the File I/O plugin doesn’t, I’ve checked my data and this doesn’t seem to have caused any problems.

I prefer to stick with my current version of Matlab as it’s 64-bit and not all the versions are I don’t think.

I’ll report it as a potential bug as I noticed another user with the same issue.

Maddie

From: Makoto Miyakoshi [mailto:mmiyakoshi at ucsd.edu]
Sent: 12 January 2016 01:59
To: Maddie Groom
Cc: eeglablist at sccn.ucsd.edu
Subject: Re: [Eeglablist] Reshape error message when using Biosig toolbox

Dear Maddie,

Sorry for the trouble. I know it is frustrating to fail in data import. Unfortunately I don't have any experience with this combination of data and version I can't offer immediate help.  I recommend you file the issue to EEGLAB bugzilla.
https://sccn.ucsd.edu/bugzilla/enter_bug.cgi
I appreciate your patience and cooperation.

Have you tried older version of Matlab?

Makoto

On Thu, Jan 7, 2016 at 7:59 AM, Maddie Groom <Maddie.Groom at nottingham.ac.uk<mailto:Maddie.Groom at nottingham.ac.uk>> wrote:
Hi

I’m using EEGLab version 13.5.4b and can’t seem to get the Biosig toolbox working, either from the GUI or from a matlab script. In a matlab script (which worked fine last year running a slightly older version of EEGLab) I used the following code to run pop_biosig to import bdf data:

EEG = pop_biosig(filename, 'ref',129,'blockepoch','off');

This loaded the data with no problems. Now I get the following error message:


Error using reshape
To RESHAPE the number of elements must not change.

Error in sread (line 141)
                                        tmp =
                                        2.^[0,8,16]*double(reshape(s(HDR.AS.bi<http://HDR.AS.bi>(K)*3+1:HDR.AS.bi<http://HDR.AS.bi>(K+1)*3,:),3,HDR.AS.SPR(K)*c/HDR.AS.bpb));

Error in pop_biosig>readfile (line 233)
        DAT=sread(dat, Inf);% this isn't transposed in original!!!!!!!!

Error in pop_biosig (line 153)
[dat DAT interval] = readfile(filename, g.channels, g.blockrange, g.memorymapped);

Error in LoadBDF_EditChanLocs (line 16)
    EEG = pop_biosig(filename, 'ref',129,'blockepoch','off');

Is anyone else having the same problem? I haven’t been able to find any answer to this on the discussion forum.

Thanks,
Maddie

---------------------------------------------------------------------------------------------------------
Dr Maddie Groom, PhD
Assistant Professor in Applied Developmental Cognitive Neuroscience
Course Director MSc Mental Health Research: http://www.nottingham.ac.uk/go/mscmentalhealthresearch

Division of Psychiatry & Applied Psychology | Institute of Mental Health | University of Nottingham Innovation Park |
Triumph Road | Nottingham | NG7 2TU
Tel: +44 (0) 115 82 30267 | Email: maddie.groom at nottingham.ac.uk<mailto:maddie.groom at nottingham.ac.uk>






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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
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