Difference between tfr and wltconvol

[Ingrid Nieuwenhuis]

Dear Rodrigo,

I think you have a typo in your design specification cfg.ivar and cfg.uvar
is both 1, but in your comment you correctly state that uvar should be 2.

Hope this helps,
Ingrid

> -----Original Message-----
> From: FieldTrip discussion list [mailto:FIELDTRIP at NIC.SURFNET.NL] On
> Behalf Of Rodrigo A. Montefusco Siegmund
> Sent: Wednesday, June 03, 2009 10:20 PM
> To: FIELDTRIP at NIC.SURFNET.NL
> Subject: Re: [FIELDTRIP] Difference between tfr and wltconvol
> 
> Dear FTers
> 
> I have (still) problems with my timelock statistic script. I tried to
> develop a very simple analysis to prove all the posibilities, inclusive
> doing all manually. But it continues with error messages. I'll copy my
> code and de erros that apear when I ran it. I'm trying to compare one
> subject in two diferent conditions.
> 
> %------------------------------------------
> cfg.channel     = 'all';
> cfg.latency     = 'all';
> cfg.avgoverchan = 'no';
> cfg.avgovertime = 'yes';
> cfg.parameter   = 'individual';
> cfg.method      = 'analytic';
> cfg.statistic   = 'depsamplesT';
> cfg.alpha       = 0.05;
> cfg.correctm    = 'bonferoni';
> 
> Nsub = 1;
> cfg.design(1,1:2*Nsub)  = [ones(1,Nsub) 2*ones(1,Nsub)];
> cfg.design(2,1:2*Nsub)  = [1:Nsub 1:Nsub];
> cfg.ivar                = 1; % the 1st row in cfg.design contains the
> independent variable
> cfg.uvar                = 1; % the 2nd row in cfg.design contains the
> subject number
> 
> [stat] = timelockstatistics(cfg, avg1, avg2);
> %----------------------------------------------------------
> 
> actually is almost the same as in the tutorial.
> 
> the errors are...
> 
> -----------------------------------------------------------
> ??? Error using ==> statfun_depsamplesT at 81
> Invalid specification of the design array.
> 
> Error in ==> statistics_analytic at 92
>   [stat, cfg] = statfun(cfg, dat, design);
> 
> Error in ==> statistics_wrapper at 381
>   [stat, cfg] = statmethod(cfg, dat, cfg.design);
> 
> Error in ==> timelockstatistics at 112
> [stat] = statistics_wrapper(cfg, varargin{:});
> 
> Error in ==> ERPStatistics at 19
> [stat] = timelockstatistics(cfg, avg1, avg2);
> -----------------------------------------------------------
> 
> please help!
> 
> warm regards for all!
> 
> Rodrigo
> 
> 
> 
> ===================================
> Rodrigo A. Montefusco Siegmund
> Doctorado en Ciencias Biomédicas
> Programa de Fisiología y Biofí­sica
> I. C. B. M. Facultad de Medicina
> Universidad de Chile
> Fono: 56 09 82793847
> email:  rmontefusco at med.uchile.cl
> ===================================
> 
> ----------------------------------
> 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/neuroimaging/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/neuroimaging/fieldtrip.