[FieldTrip] ft_selectdata doesn't work after using ft_regressconfound

[Arjen Stolk]

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> 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,
>
>
>
>
>
> [image: Unbenannt-1]
>
> *E-Mail*: cornelia.quaedflieg at uni-hamburg.de
>
> *Tel.*: +49 40 42838-5448 <+49%2040%2042838-5448>   *Website*: Hyperlink
> <https://www.psy.uni-hamburg.de/arbeitsbereiche/kognitionspsychologie/personen/quaedflieg-conny.html>
>
>
>
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