[Eeglablist] Average of ERP (Scalp map) where each participant has different # of epochs

[Makoto Miyakoshi]

Dear Ahmed,

They can have different number of channels for STUDY but not different
number of datasets. It should be consistent across subjects.

Makoto


On Tue, Jul 15, 2014 at 8:11 AM, Ahmed Al-Samarrai <
samarrai.a at googlemail.com> wrote:

> Hi!
> I am trying to plot the ERD on the 2D scalp.
> I understand I can find the average 2D topographical power scalp map for a
> group of people in a STUDY - however in my current STUDY some participants
> have 5 data sets while others have 6 (due to artifact removal) and so it
> says it can not do it.
> Is there a way around this please?
> Typically I am aiming for a plot as seen in this publication (figure 1
> P.2224) please:
> http://onlinelibrary.wiley.com/doi/10.1002/hbm.22322/pdf
> Sorry but it is somewhat urgent - if possible.
>
> Thanks for your time
> Ahmed
> Wales.
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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