[FieldTrip] ft_source2sparse usage for EEG data

[Schoffelen, J.M. (Jan Mathijs)]

Hi Gina,

In general I think that you really should provide a bit more information. I at least don’t remember what your problem is all about, and if you would like people to think along (who by the way all do this on a voluntary basis), you should really give us something to work on, and present things on a silver platter, rather than expecting us to dig through our (no doubt extensive) e-mail archives, which moreover relies on the assumption that we still have your earlier e-mails handy.
This being said, I dug through my archive, and saw that I already replied to an e-mail of yours that has the same subject header.

Here’s my earlier reply:

++++++++++++++++++++++++++++++++++++
Begin forwarded message:

From: Jan Mathijs Schoffelen <jm.schoffelen at gmail.com<mailto:jm.schoffelen at gmail.com>>
Subject: Re: [FieldTrip] ft_source2sparse usage for EEG data
Date: 11 April 2016 at 15:05:21 GMT+2
To: FieldTrip discussion list <fieldtrip at science.ru.nl<mailto:fieldtrip at science.ru.nl>>

Hi Gina,

A dimensionality of 92232 ( ^ 2) suggests that you have 28 times the number of inside dipoles. I suspect a interaction between FieldTrip’s internal data bookkeeping and perhaps your specification of the input data/cfg.

Where does this factor of 28 come from?

Best,
Jan-Mathijs
++++++++++++++++++++++++++++++++++++++++++


As you can see, this reply contained a question, which as far as I am concerned has not been answered. In other words, the ball is in your court.

Best,
Jan-Mathijs




On 05 May 2016, at 17:40, gj <gina.joue at univr.it<mailto:gina.joue at univr.it>> wrote:

Hi again,

I'm really stymied over this problem and can't move on with my analyses...help? Pretty please?

Thank you in advance!
Gina
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