[Eeglablist] NewCrossf -- bootstrap

[Makoto Miyakoshi]

Dear Arno,

She says cohboot does not produce Matrix (nfreqs,2) as explained in
the help but instead it produces Matrix(freq,1). Would you please help
us?

Makoto

> The function help say that:
> %       cohboot     = Matrix (nfreqs,2) of [lower;upper] coher signif.
> limits
> %                     if 'boottype' is 'trials',  (nfreqs,timesout, 2)
>
> But I obtain always a Matrix(nfreqs,1) and I'm not able to use it.

2012/8/23 Michele Barsotti <nomeserio at gmail.com>:
> Hi dear experts,
>
> I'm using the function newcrossf() to calculate coherence between two
> electrodes.
>
> As optional INPUT parameters I give the following:
>          type: 'phasecoher'
>        amplag: []
>        subitc: 'off'
>       shuffle: []
>       detrend: 'off'
>         rmerp: 'off'
>       winsize: 256
>      timesout: 895
>      padratio: 1
>         freqs: [3 40]
>        nfreqs: 18
>     freqscale: 'linear'
>      baseline: [-2.5039e+003 -3.9063]
>         alpha: 0.0500
>         naccu: 200
>      boottype: 'shuffle'
>      baseboot: 1
>      condboot: 'abs'
>       topovec: [5 9]
>         elocs: [1x13 struct]
>      chaninfo: [1x1 struct]
>        maxamp: 1
>         title: 'coherence between, C3 C4'
>
> And newcrossf returns as OUTPUT:
>          mcoh: [1x18 single]
>      timesout: [1x895 double]
>      freqsout: [1x18 double]
>       cohboot: [18x1 double]
>     cohangles: [18x895 single]
>      allcoher: [18x895x20 single]
>        alltfX: [18x895x20 single]
>        alltfY: [18x895x20 single]
>           coh: [18x895 single]
>
> Now, I would like to work with the coherence bootstraped but I don't know
> how to use the cohboot:[18x1] with the coherence matrix coh: [18x895].
>
> The function help say that:
> %       cohboot     = Matrix (nfreqs,2) of [lower;upper] coher signif.
> limits
> %                     if 'boottype' is 'trials',  (nfreqs,timesout, 2)
>
> But I obtain always a Matrix(nfreqs,1) and I'm not able to use it.
>
> Any suggestion?
>
> Thank you
>
> Michele
>
>
>
>
>
>
>
>
> --
>         -Michele-
>
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-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego