[FieldTrip] statistics for imaginary coherence

[Schoffelen, J.M. (Jan Mathijs)]

Hi Nivethida,

You can circumvent the use of ft_freqgrandaverage using cell-arrays (each data structure a single cell represents a subject). (+ cfg.parameter=‘cohspctrm’) 

e.g. ft_freqstatistics(cfg, data1{:}, data2{:});



Best,
Jan-Mathijs


> On 09 Jun 2016, at 01:15, nivethida t <dr.nivethida at gmail.com> wrote:
> 
> Hi all,
> I am trying to do statistical testing for the difference in imaginary coherence between 2 subject groups. Following the tutorial, I was able to perform the ft_freqstatistics for the power spectrum using the output from freqgrandaverage. 
> If I have to run similar statistics for imaginary coherence data, what should be my input for ft_freqstatistics since freqgrandaverage does not work for cohspctrm? Or is there a different statistics function for coherence?
> 
> Thanks,
> Nivethida
> 
> 
> 
> -- 
> Dr.Nivethida Thirugnanasambandam,
> Postdoctoral Visiting Fellow,
> Human Motor Control Section,
> National Institute of Neurological Disorders and Stroke,
> National Institutes of Health,
> Building 10, 7D42, 
> 10 Center Drive, MSC 1428
> Bethesda, MD 20892 - 1428
> Ph: +1-301-402-6231
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