[Eeglablist] pop_biosig woes

[Maddie Groom]

Hi David

I was having this problem too. Makoto et al are aware of it and are working on a fix. In the mean time, I’ve used the File IO interface instead as suggested by Chris and it works fine.  I was worried initially as the Biosig toolbox always gives a warning that for Biosemi bdf files you need to select a reference when importing, but the File IO plugin doesn’t give this option. However this doesn’t seem to have had any effect on my data, so I think it’s fine to use this instead of Biosig.

Maddie

From: eeglablist-bounces at sccn.ucsd.edu [mailto:eeglablist-bounces at sccn.ucsd.edu] On Behalf Of Christopher Barkley
Sent: 20 January 2016 19:19
To: David Jackson Morris
Cc: eeglablist at sccn.ucsd.edu
Subject: Re: [Eeglablist] pop_biosig woes

Hi david,
This appears to be an issue for lots of us, for a work wrong use the file-io interface and it should all work fine.
- Chris Barklet

On Wed, Jan 20, 2016 at 6:04 AM, David Jackson Morris <dmorris at hum.ku.dk<mailto:dmorris at hum.ku.dk>> wrote:
Dear EEGlabbers,

I apologise in advance that this is probably a very basic query.

When I import with the Biosig toolbox (Matlab R2015a and eeglab 13_5_4b) I get the errors below.  I've tried this on data with a variety of sampling rates recorded with the Biosemi kit.

Any tips are greatly appreciated.

Thanks

David Jackson Morris
Postdoc

Københavns Universitet/University of Copenhagen
INSS/Department of Nordic Studies and Linguistics
Audiologopædi/Speech Pathology & Audiology
Byggning 22, 5 sal
Njalsgade 120
2300 København S

Office 22.5.14
TLF 35328660
dmorris at hum.ku.dk<mailto:dmorris at hum.ku.dk>

University website<http://forskning.ku.dk/find-en-forsker/?pure=da%2Fpersons%2Fdavid-jackson-morris(65eea758-6dd2-4783-ae28-eef3d5ef83ce).html>


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 atac_preproc4 (line 16)
EEG = pop_biosig(fns(i).name);




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