[Mne_analysis] on_missing and time-frequency

Thu Oct 2 09:20:03 EDT 2014

ok bug fixed, tfr_morlet works great along with the superb figure suite
tools!
very nifty!
-V

quick test outcome on 1 participant: some lovely parietal alpha and low
gamma
40 min with n_jobs= 4, 2s epoch, decimfactor=3 (333 Hz)
[image: Inline image 1]

On Wed, Oct 1, 2014 at 2:18 PM, Denis-Alexander Engemann <
denis.engemann at gmail.com> wrote:

>  Hi Virginie
>
>  1. this is in fact an issue with the documentation, not a bug. The
> 'ignore' option will avoid crashes if one or many events are missing but at
> least one remains. If all events are missing nothing will be ignored,
> currently the constructor needs at east one event. We might want to rethink
> the semantics. Out of curiosity, what are you doing with epochs for which
> you know in advance that events and ids don't match? In other words, would
> there be a use case for the behavior you expected from 'ignore'? If it's
> just to avoid crashes when no event is found, I would manually check that
> and skip computations if nothing is found. For example (in a loop that
> iterates over datasets or subjects):
>
>  if not np.any(np.in1d(event_ids.values(), events[:, 2])):
>     continue
>
>  2. the second issue sounds mysterious to me, I don't `smell` what might
> be going on there.
>
>
> 2014-10-01 14:05 GMT+02:00 Virginie van Wassenhove <
> virginie.van.wassenhove at gmail.com>:
>
>>
>>
>>>>  2. I was giving a quick shot at TF analysis in sensor space using
>>>> "tfr_morlet" - although it runs fine, the returned power and itc are not in
>>>> readable format or am I missing someting? e.g. "power.plot_topo"  is not
>>>> recognized. This was run in spyder with updated mne-python.
>>>>
>>>
>>>  In which sense is the format not readable, how does this look like?
>>>
>>   What does it mean that "power.plot_topo" is not recognized?
>>>
>>>
>>  I had to close that console, lost the 2 hours computations and I can't
>> tell you the exact "format" value it was reporting when calling the
>> apparently non-existent "power" variable despite having computed it for 2
>> hours. I'll try that again and be more specific.
>>
>>
>  So you imply that power = tfr_morlet completed (after 2 hours?) but that
> `power` was not found?
>
>
>>   Is it possible that "power._getdata()" need to be used to actually
>> load the results of tfr_morlet in a spyder console?
>>
>>
>  This should not be necessay, this one is private and should be ignored
> for regular usage.
>
>  -Denis
>
>
>
>>   for "power.pot_topo", I need to recompute and I'll tell you.
>>
>>  Later, thanks!
>>  V
>>
>>
>>
>>
>>
>>>   -Denis
>>>
>>>
>>>>  Any help appreciated!
>>>>
>>>>  Best,
>>>>  -V
>>>>
>>>>
>>>>
>>>>  --
>>>> Virginie van Wassenhove
>>>> Exec Dir NeuroSpin MEG
>>>> Group leader, Brain Dynamics
>>>> CEA.DSV.I2BM.NeuroSpin - INSERM Cognitive Neuroimaging Unit
>>>> Bât 145 Point Courrier 156
>>>> Gif s/ Yvette F-91191 FRANCE
>>>>
>>>> +33(0)1.69.08.1667
>>>> Virginie.van.Wassenhove at gmail.com
>>>> https://sites.google.com/site/virginievanwassenhove/
>>>>
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>>>>
>>>>
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>>>
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>>> contains patient information, please contact the Partners Compliance
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>>
>>
>>  --
>> Virginie van Wassenhove
>> Exec Dir NeuroSpin MEG
>> Group leader, Brain Dynamics
>> CEA.DSV.I2BM.NeuroSpin - INSERM Cognitive Neuroimaging Unit
>> Bât 145 Point Courrier 156
>> Gif s/ Yvette F-91191 FRANCE
>>
>> +33(0)1.69.08.1667
>> Virginie.van.Wassenhove at gmail.com
>> https://sites.google.com/site/virginievanwassenhove/
>>
>> _______________________________________________
>> Mne_analysis mailing list
>> Mne_analysis at nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis
>>
>>
>> The information in this e-mail is intended only for the person to whom it
>> is
>> addressed. If you believe this e-mail was sent to you in error and the
>> e-mail
>> contains patient information, please contact the Partners Compliance
>> HelpLine at
>> http://www.partners.org/complianceline . If the e-mail was sent to you
>> in error
>> but does not contain patient information, please contact the sender and
>> properly
>> dispose of the e-mail.
>>
>>
>

-- 
Virginie van Wassenhove
Exec Dir NeuroSpin MEG
Group leader, Brain Dynamics
CEA.DSV.I2BM.NeuroSpin - INSERM Cognitive Neuroimaging Unit
Bât 145 Point Courrier 156
Gif s/ Yvette F-91191 FRANCE

+33(0)1.69.08.1667
Virginie.van.Wassenhove at gmail.com
https://sites.google.com/site/virginievanwassenhove/
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