[Eeglablist] Error when precomputing channel measures for between subjects study design

[Alyson Abel]

I actually have been having this same issue. I am trying to run a 2 group x
6 condition study. All datasets look fine (and all have 64 channels) when I
load them but I get the same error as reported by Julie "Datasets to be
concatenated do not have the same number of channels" . I am using MATLAB
R2014a and the latest EEGLAB.

Thank you for any feedback on this issue,
Alyson



Re: [Eeglablist] Error when precomputing channel measures for between
subjects study design
Dear Julie,

If I remember correctly, the cause of this (or related) problem must have
identified and fixed. Let me confirm it and get back to you.

Makoto

On Fri, Apr 1, 2016 at 9:45 AM, Schneider, Julie <jxs114631 at utdallas.edu>
 wrote:

> Hello,
>
>
> I have been consistently receiving the error "Datasets to be concatenated
> do not have the same number of channels" during precomputing of channel
> measures.  I am facing a similar situation as mentioned in the thread:
> http://sccn.ucsd.edu/pipermail/eeglablist/2015/009848.html in that when
> manually checking each dataset, they appear to have 64 channels each.
>
>
> However, when I tried using Makoto's recommendations to resolve this issue
> (which were greatly appreciated!) the download of a new EEGlab was only
> temporarily helpful, and the interpolation process remained necessary.  I
> have found that, across every study, this issue only exists when trying to
> compare GROUPS (between subjects design).  When running a within subjects
> study design, using the exact same data (i.e. same channel numbers) I have
> no issues.  How could I be using the same data and have it successfully
> precompute within subjects but suddenly have an inconsistent number of
> channels when precomputing between subjects?  Any recommendations are
> greatly appreciated!
>
>
> Thank you in advance for your help!
>
> Julie
>
>
> Julie M. Schneider, M.S.
>
> Doctoral Student
>
> The Developmental Neurolinguistics Lab
>
> Brain and Behavioral Sciences, University of Texas at Dallas
>
---
Alyson D. Abel, Ph.D.
Assistant Professor, School of Speech, Language and Hearing Sciences
San Diego State University
5500 Campanile Dr., Rm 227
San Diego, CA 92182
alyson.abel at mail.sdsu.edu
Office phone: (619) 594-4694
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