Hello

[Marie Smith]

Hi Markus

Not sure if you remember me, but i just saw your fieldtrip post from  
the FIL and thought i would write and say congrats for your job in  
London.

I hope things are good with you.

Marie


Quoting Markus Bauer <m.bauer at FIL.ION.UCL.AC.UK>:

> hey dr. floris
>
> try
>
>> cfg = [];
>> cfg.planarmethod = 'sincos';
>> erf_planar = megplanar(cfg,erf_axial);
>
> erfplanar = raw2data(erfplanar,'chan_time');
>
> that should do it, might depend a bit on which fieldtrip version you're using
> it's cause the function converts it internally into "raw data format" -
> I guess to make it generally usable also for freqanalysis
>
> cheers
> markus
>
>
>> Salut Fieldtrippers,
>>
>> I am wondering whether there is a small bug in the routine that transforms
>> data to planar gradient (or alternatively, I'm doing something   
>> stupid).  After I have created an average ERF, using   
>> timelockanalysis, I transform my
>> data to planar gradient using the following two commands:
>>
>> cfg = [];
>> cfg.planarmethod = 'sincos';
>> erf_planar = megplanar(cfg,erf_axial);
>> erf_planarcomb = combineplanar([],erf_planar);
>>
>> Now, several fields are gone/not compatible anymore with the   
>> plotting routines. First of all, I have to add a dimord-field:
>> erf_planarcomb.dimord = 'chan_time';
>>
>> Then, the time-field gets encapsulated in a structure, which the plotting
>> routines don't like, so I have to specify:
>> erf_planarcomb.time = erf_planarcomb.time{1};
>>
>> And the same for the data field:
>> erf_planarcomb.avg = erf_planarcomb.trial{1};
>>
>> Is this a bug, or am I doing something wrong? If I look at the ERF-tutorial
>> (http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tutorial:eventrelatedaveraging)
>> all these steps don't seem necessary..
>>
>> Thanks for your feedback,
>> All the best,
>> Floris
>>
>> ----------------------------------
>> The aim of this list is to facilitate the discussion between users   
>> of the FieldTrip  toolbox, to share experiences and to discuss new   
>> ideas for MEG and EEG analysis. See also   
>> http://listserv.surfnet.nl/archives/fieldtrip.html and   
>> http://www.ru.nl/fcdonders/fieldtrip.
>>
>>
>>
>
> ----------------------------------
> The aim of this list is to facilitate the discussion between users of
> the FieldTrip  toolbox, to share experiences and to discuss new ideas
> for MEG and EEG analysis. See also
> http://listserv.surfnet.nl/archives/fieldtrip.html and
> http://www.ru.nl/fcdonders/fieldtrip.



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The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/fcdonders/fieldtrip.