[Mne_analysis] reject parameter for epochs and get_data()

Laetitia Grabot laetitia.grabot at gmail.com
Tue Apr 5 05:50:40 EDT 2016
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Mmh, I'll check that. Thanks a lot for pointing me in the good directions!
Laetitia

2016-04-05 11:31 GMT+02:00 Jaakko Leppäkangas <jaeilepp at student.jyu.fi>:

> Could it be that you have triggers at the end of the data (or you have a
> big tmax) so that the ends of the epochs go beyond the recorded data?
>
> On 5 April 2016 at 10:55, Laetitia Grabot <laetitia.grabot at gmail.com>
> wrote:
>
>> Ahh, I get a list of [IGNORED], 19 [TOO_SHORT] and []! So do you have an
>> idea of why some epochs are too short ?
>>
>> 2016-04-05 10:38 GMT+02:00 Jaakko Leppäkangas <jaeilepp at student.jyu.fi>:
>>
>>> Hi Laetitia,
>>>
>>> what is the output if you type epochs_s.drop_log? That might give some
>>> clues of why they're dropped.
>>>
>>> -Jaakko
>>>
>>> On 5 April 2016 at 10:34, Laetitia Grabot <laetitia.grabot at gmail.com>
>>> wrote:
>>>
>>>> For instance, I have the following output: 118 epochs corresponding to
>>>> events=200 are found, but when I applied get_data, 19 epochs are dropped...
>>>>
>>>> epochs_s= mne.Epochs(raw,new_events, event_id,tmin,tmax, picks=picks,
>>>> baseline=(tmin_bsl,0))
>>>>
>>>>     ...:
>>>>
>>>> 118 matching events found
>>>>
>>>> Created an SSP operator (subspace dimension = 1)
>>>>
>>>> 1 projection items activated
>>>>
>>>>
>>>> epochs_s.get_data().shape
>>>>
>>>> Applying baseline correction ... (mode: mean)
>>>>
>>>> 19 bad epochs dropped
>>>>
>>>> Out[59]: (99, 366, 1701)
>>>>
>>>> 2016-04-05 10:29 GMT+02:00 Laetitia Grabot <laetitia.grabot at gmail.com>:
>>>>
>>>>> I have:
>>>>> event_id = 200 and I got only epochs corresponding to this events when
>>>>> I created the epochs object. However I still have some bad epochs dropped
>>>>> (their event_id are also 200) when I am usins epochs.get_data()...
>>>>>
>>>>> 2016-04-05 10:25 GMT+02:00 Alexandre Gramfort <
>>>>> alexandre.gramfort at telecom-paristech.fr>:
>>>>>
>>>>>> what is the content of event_id and events?
>>>>>>
>>>>>> Epochs only keeps the events that belong to event_id
>>>>>>
>>>>>> Alex
>>>>>>
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