[Mne_analysis] Envelope correlation

Vivek Sharma vivek.sharma1510 at gmail.com
Tue Aug 27 01:35:11 EDT 2019
Search archives:

        External Email - Use Caution        

Thanks.

On Thu, Aug 22, 2019 at 6:29 PM Denis-Alexander Engemann <
denis.engemann at gmail.com> wrote:

>         External Email - Use Caution
>
> One approach is to use some non-parametric stats such as Mann-Whitney-U or
> Wilcoxon signed rank tests, depending on the question. You can also avoid
> orthogonalization by keyword argument if you really need to satisfy the
> positive definite constraint.
>
> HTH,
> Denis
>
> On Thu 22 Aug 2019 at 13:02, Vivek Sharma <vivek.sharma1510 at gmail.com>
> wrote:
>
>>         External Email - Use Caution
>>
>> Hi,
>> What kind of statistical test can be applied to compare among the
>> different envelope correlation matrix?
>> I wanted to calculate how significant is the difference between the two
>> matrices and in general, these require positive definite
>> Thanks
>>
>> On Thu, Aug 22, 2019 at 12:40 PM Alexandre Gramfort <
>> alexandre.gramfort at inria.fr> wrote:
>>
>>>         External Email - Use Caution
>>>
>>> as an orthogonalization is performed to fix the leakage the matrix is
>>> not positive definite
>>> and a correlation matrix per se anymore.
>>>
>>> HTH
>>> Alex
>>>
>>> _______________________________________________
>>> Mne_analysis mailing list
>>> Mne_analysis at nmr.mgh.harvard.edu
>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis
>>>
>>
>>
>> --
>> Vivek Sharma
>> _______________________________________________
>> Mne_analysis mailing list
>> Mne_analysis at nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis
>
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis



-- 
Vivek Sharma
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20190827/42285163/attachment.html 


More information about the Mne_analysis mailing list