[FieldTrip] cluster plot
Philipp Taesler
p.taesler at uke.de
Tue Apr 26 14:45:03 CEST 2016
Hi Zsolt,
I've had some similar problems with data from a very long analysis
pipeline. It also failed to plot. A quick and dirty solution for me was
to get rid of the "cfg" field in the struct, as it had somehow
accumulated lots of data.
newdata = rmfield(olddata, 'cfg');
Maybe this will help, otherwise I'm out of ideas for now :)
Cheers,
Phil
Am 26.04.2016 um 14:14 schrieb Zsolt Turi:
> Dear Filedtrip users,
>
> I recently performed a non-parametric cluster-based permutation test on
> time-frequency data using a within-subjects design. I have two related
> questions/issues:
>
> 1) Size issues:
>
> For 11 participants the size of the file containing the time-frequency
> grand averages is 1.4 GB for each condition (I have two conditions),
> which is really hard to load in for the permutation test. Is this size
> reasonable?
>
>
> powspctrm: [4-D double]
> label: {64x1 cell}
> freq: [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20]
> time: [1x26 double]
> dimord: 'subj_chan_freq_time'
> cfg: [1x1 struct]
>
>
> 2) Cluster plot issue:
>
> Related to the first issue, after generating the plots for the stat, the
> computer stops responding and it is impossible to save the figure or
> even close it.
>
> cfg = [];
> cfg.alpha = 0.05;
> cfg.parameter = 'stat';
> cfg.zlim = [-4 4];
> cfg.layout = 'EEG1010.lay';
> ft_clusterplot(cfg, stat);
>
> Have some of you encountered such kind of issues?
>
>
> I use 64 bit Win 7 OS, 8 GB RAM, Intel Core i5 CPU, 9.0.0.341360
> (R2016a) Matlab and fieldtrip-20160424 versions.
>
> Thanks for your help in advance!
>
> Zsolt
--
Philipp Taesler
Department of Systems Neuroscience
University Medical Center Hamburg-Eppendorf
Martinistr. 52, W34, 20248 Hamburg, Germany
Phone: +49-40-7410-59902
Fax: +49-40-7410-59955
Email: p.taesler at uke.de
--
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