[FieldTrip] ft_selectdata doesn't work after using ft_regressconfound
Conny Quaedflieg
cornelia.quaedflieg at uni-hamburg.de
Fri Aug 4 09:37:21 CEST 2017
Dear Arjen,
Thanks for your fast reply.
With debug team I mean Bugzilla from fieldtrip.
http://www.fieldtriptoolbox.org/bugzilla
best Conny
Von: fieldtrip-bounces at science.ru.nl [mailto:fieldtrip-bounces at science.ru.nl] Im Auftrag von Arjen Stolk
Gesendet: Donnerstag, 3. August 2017 18:53
An: FieldTrip discussion list <fieldtrip at science.ru.nl>
Betreff: Re: [FieldTrip] ft_selectdata doesn't work after using ft_regressconfound
Hi Conny,
Yes, you can delete the beta field, or alternatively, call ft_regressconfound with cfg.beta = 'no' (perhaps this should be the default).
Didn't know there was a debug team..
Best,
Arjen
On Thu, Aug 3, 2017 at 9:46 AM, Conny Quaedflieg <cornelia.quaedflieg at uni-hamburg.de <mailto:cornelia.quaedflieg at uni-hamburg.de> > wrote:
Dear Fieldtrip-users,
We are not able to use function ft_selectdata after applying head movement correction using ft_regressconfound. The error that we get is the well-known index exceeds matrix dimensions.
It is due to the fact that the size of x is incorrect, it doesn’t correspond to the number of trials but is 7 which is the number of regressors in the beta variable that is created by using ft_regressconfound.
There is a simple way to solve it and this is deleting the field ‘beta’ before running ft_select data.
My question is, just to be sure, the variance is regressed out by using ft_regressconfound so the beta variable is not needed in any further step right?
Maybe this is also something for the debug team? Thus that ft_selectdata runs after running ft_regressconfound.
Best
Dr Conny Quaedflieg
Mit freundlichen Grüßen,
E-Mail: <mailto:cornelia.quaedflieg at uni-hamburg.de> cornelia.quaedflieg at uni-hamburg.de
Tel.: <tel:+49%2040%2042838-5448> +49 40 42838-5448 Website: <https://www.psy.uni-hamburg.de/arbeitsbereiche/kognitionspsychologie/personen/quaedflieg-conny.html> Hyperlink
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