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Re: [igraph] Functional EEG network analyses in R

From: Chris Watson
Subject: Re: [igraph] Functional EEG network analyses in R
Date: Wed, 28 Aug 2019 00:13:12 -0500

Hi Berenice,
RE points 1 and 2: you may want to check out my package, brainGraph
(https://github.com/cwatson/brainGraph). There is a (very long, but
thorough) User Guide at

RE 3: I am not sure what locations you are using but it shouldn't be
too difficult if you have the xyz coordinates (in MNI space, average
brain space, or whatever). Please check out the package and feel free
to contact me if you have questions (although I will be very busy for
the next 1 week or so).


On 8/27/19, Anaya, Berenice <address@hidden> wrote:
> Hello,
> I am new to the igraph package, and I am trying to analyze EEG coherence
> data. These data is based on the phase relation between electrode signals,
> and I currently have adjacency matrices for every participant in my sample,
> which are 128 x 127 matrices of correlations between all the electrodes. I
> understand the general language of igraph once the graph object itself is
> created, but I am having some trouble setting up so I can make the object. I
> am writing to ask for help on:
> 1) How do I read in all my matrices (1 per participant, total of 177
> participants) and create a graph object?
> 2) Would the graph object be based on the average of all these matrices?
> 3) How would I go about including the map of where the electrodes go on the
> scalp?
> Thank you, Berenice
> _______________________________________________
> igraph-help mailing list
> address@hidden
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