[Eeglablist] PCA inquiry

[Makoto Miyakoshi]

Hi George,

Is that temporospatial PCA some kind of EEGLAB plugin or external
application connected to it? If you are still looking for a solution,
please point me to the tool you want to use.

Makoto

On Tue, Jul 14, 2026 at 5:10 PM Ghorayeb, George Ryan via eeglablist <
eeglablist at sccn.ucsd.edu> wrote:

> Greetings,
>
> I am writing to request your assistance regarding an issue I have
> encountered while attempting to perform a temporospatial PCA using EEGLab.
> Specifically, when trying to carry out the PCA on our dataset, I am unable
> to proceed beyond the step requiring the upload of a .xyzloc file. Each
> time I attempt to upload the file, I receive the following error message:
>
> Error using readlocs>load_file_or_array
> readlocs(): cannot find the named file or variable, check syntax
>
> Error in readlocs (line 529)
>            array = load_file_or_array( filename, g.skiplines);
>
> Error in pop_chanedit (line 760)
>                         [chans] = readlocs(tmpargs{:});
>
> Error in Import_text_veps (line 36)
> EEG = pop_chanedit(EEG,'load',{xyzLoc, 'filetype', 'xyz'},'delete',d);
>
> Error in PCAMakeStudy (line 82)
>     Import_text_veps(text_paths{j},[textfileworkspace
> '\'],setfilepathname,...
>
>
> I have consulted several online resources and tried multiple
> troubleshooting approaches, but I have not been able to resolve the issue.
>
> I would be very grateful if you could advise me on the appropriate steps
> to address this problem or suggest any potential causes that I should
> investigate.
>
> Thank you very much for your time and assistance. I greatly appreciate
> your help.
>
>
> Kind regards,
>
> George
>
>
>
> _____________________
>
> George Ryan Ghorayeb
>
> He/him/his
>
> Research Assistant II, Division of Cognitive and Behavioral Neurology
>
> Center for Brain/Mind Medicine
>
>
>
> Brigham and Women’s Hospital
>
> 60 Fenwood Road, 9016D, Boston, MA 02115
>
> T 6177328825, F 8573075461
>
> brighamandwomens.org
>
>
>
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