[Eeglablist] statcond/statcondfieldtrip cluster correction

Arnaud Delorme arno at ucsd.edu
Tue Apr 23 19:04:05 PDT 2019


Hi Taylor,

It is better to use statcondfieldtrip, which calls uses the original cluster method. The ‘cluster’ option of statcond is an equivalent implementation although it cannot take channel neighbors into account. It only works for time or time x frequency decompositions. It was added because of frustration with the speed of the Fieldtrip original cluster method (although it is not much faster). 

Best wishes,

Arno

> On Apr 17, 2019, at 8:14 AM, Taylor Hearn <thearn at asu.edu> wrote:
> 
> Hi,
> 
> I would like to perform a cluster correction for multiple comparisons, but
> I am a little confused by the syntax of these two functions. Given my
> within group comparison for my data (samples X channels X subjects), is it
> correct to assume that this should be set up as a 2x1 cell? Also, I know I
> want to use the following options:
> 
> paired = on
> method = permuation
> naccu = 1000
> alpha = 0.05
> 
> but from here I am not sure if I should use the "cluster" option for
> "statcond" or the "neighbours" option for "statcondfieldtrip". If I use
> "neighbours" could you also detail the input to the "ft_prepare_neighbours"
> functions?
> 
> Thanks in advance,
> Taylor
> 
> Taylor Hearn
> Biomedical Engineering PhD Candidate
> APAcT-IGERT Fellow
> Arizona State University
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