[FieldTrip] problem with clusterplot

["Jörn M. Horschig"]

Hey Marieke,

I just checked your workspace, and realized that in your cfg there is no 
field parameter. Maybe something went wrong or you made a typo 
somewhere. Just setting cfg.parameter='prob' solved the problem for me 
and ft_clusterplot works nicely (nice cluster, btw).

/the call to "ft_clusterplot" took 20 seconds and an estimated NaN MB
 >> cfg

cfg =

         alpha: 0.1000
          elec: [1x1 struct]
          zlim: [-2 2]
     parameter: 'prob'/


Best,
Jörn




On 10/24/2011 11:35 AM, Marieke van Vugt wrote:
> Hi everyone,
> I am trying to use ft_clusterplot after having done 
> ft_timelockstatistics. I get the following error:
> >>cfg = [];
> >>cfg.alpha = 0.1;
> >>cfg.parameter = 'prob';
> >>cfg.elec = timelockLow.elec;
>
> >> ft_clusterplot(cfg,stat);
> creating layout from cfg.elec
> creating layout for ext1020 system
> There are 1 clusters smaller than alpha (0.1)
> Positive cluster: 1, pvalue: 0.065 (+), t = 0.712 to 0.836
> *??? Reference to non-existent field 'parameter'.*
>
> Error in ==> ft_topoplotER at 610
> dat    = data.(cfg.parameter);
>
> Error in ==> ft_clusterplot at 339
>           ft_topoplotER(cfgtopo, stat);
> 610 dat    = data.(cfg.parameter);
> K>> dbquit
>
> In general the stat output looks fine.
> You can find the 'stat' and 'cfg' variables that I use in my dropbox: 
> http://dl.dropbox.com/u/13997261/clusterProblem.mat
>
> Does anyone know what's going on here? I could not figure out what the 
> field 'parameter' should be and why it was not existing in the first 
> place.
> Thanks a lot in advance for your help,
> Marieke
> ----------------------------------------------------------------------------
> Marieke van Vugt, PhD
> Assistant Professor, Cognitive Modeling Group
> Bernoulliborg, room 326
> Nijenborgh 9
> 9747 AG Groningen
> The Netherlands
> phone: +31-6-51954984 (cell)
>               +31-50-363-9487 (office)
> http://www.ai.rug.nl/~mkvanvugt <http://www.ai.rug.nl/%7Emkvanvugt>
> m.k.van.vugt at rug.nl <mailto:m.k.van.vugt at rug.nl>
>
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-- 
Jörn M. Horschig
PhD Student
Donders Institute for Brain, Cognition and Behaviour
Centre for Cognitive Neuroimaging
Radboud University Nijmegen
Neuronal Oscillations Group

P.O. Box 9101
NL-6500 HB Nijmegen
The Netherlands

Contact:
E-Mail: jm.horschig at donders.ru.nl
Tel:    +31-(0)24-36-68493
Web: http://www.ru.nl/donders

Visiting address:
Trigon, room 2.30
Kapittelweg 29
NL-6525 EN Nijmegen
The Netherlands

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