[FieldTrip] Finding Corresponding Time Points in Cluster-based Permutation

[Kamia Kavi]

Dear Steve,

Thank you very much, very helpful!

Best wishes,

Kamia

On Sat, Aug 25, 2018 at 2:35 PM Stephen Politzer-Ahles <
politzerahless at gmail.com> wrote:

> Dear Kamia
>
> stat.posclusterslabelmat (or stat.negclusterslabelmat) is a channels x
> samples matrix saying, for each data point (each <channel, sample> pair)
> which cluster it is part of, if any. (For time-frequency data, it is a
> channels x samples x frequencies matrix.) So if you want to find the
> spatiotemporal extent of positive cluster #1, you can search
> stat.posclusterslabelmat for which points == 1. I believe there are some
> examples in
> http://www.fieldtriptoolbox.org/tutorial/cluster_permutation_timelock.
>
> Best,
> Steve
>
> ---
> Stephen Politzer-Ahles
> The Hong Kong Polytechnic University
> Department of Chinese and Bilingual Studies
> http://www.mypolyuweb.hk/~sjpolit/
> <http://www.nyu.edu/projects/politzer-ahles/>
>
>
>
>> Message: 1
>> Date: Fri, 24 Aug 2018 19:08:35 +0200
>> From: Kamia Kavi <kamiakavi at gmail.com>
>> To: fieldtrip at science.ru.nl
>> Subject: [FieldTrip] Finding Corresponding Time Points in
>>         Cluster-based Permutation
>> Message-ID:
>>         <
>> CAAT2gKZJR0Y-UmgcTFxgvbegjGO6_95a4aPBuT9Sk8_uV10TAw at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hello!
>>
>>
>>
>> When I perform cluster-based permutation tests on event related
>> fields/potentials, in stat.posclusters.prob (also stat.negclusters.prob)
>> there is an descending sorted list of clusters with their probabilities.
>> How can I find the corresponding time points for each of theses rows? (For
>> example, how can I find the corresponding time points for
>> stat.posclusters(1).prob).
>>
>>
>>
>> Thank you very much in advance for any help!
>>
>>
>>
>> Kamia
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>> https://doi.org/10.1371/journal.pcbi.1002202
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