[FieldTrip] cluster statistics on subset of channels

[Elmeri Syrjänen]

Hi Roy,

I have pasted the relevant section from
http://www.fieldtriptoolbox.org/reference/ft_freqstatistics the lines that
would be applicable in your situation.


The configuration can contain the following options for data selection
    *cfg.channel     = Nx1 cell-array with selection of channels
(default = 'all'),
                      see FT_CHANNELSELECTION
<http://www.fieldtriptoolbox.org/reference/ft_channelselection> for
details*
    *cfg.avgoverchan = 'yes'* or 'no'                   (default = 'no')


/elmeri

On Wed, May 31, 2017 at 8:57 PM, Roy Cox <roycox.roycox at gmail.com> wrote:

> hello,
>
> Does anyone know if it's possible to run ft_freqstatistics on only a
> subset of channels?
>
> Per my hypothesis, I'm only interested in the posterior half of the scalp.
>
> I know I could remove the channels entirely from the data, but for
> plotting purposes I'd like to retain the full set of data, and it would be
> cumbersome to stitch data and clusters back together. Alternatively, I
> could change the channel neighborhood structure for the frontal channels
> such that they don't enter the cluster formation procedure at all, but I'm
> not sure if this is valid.
>
> Maybe ft_freqstatistics already supports channel selection? Can't seem to
> find it in the documentation or tutorials, though.
>
> Thanks for any insights,
>
> Roy
>
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