[Mne_analysis] Evoked error

[Dan McCloy]

        External Email - Use Caution        

When you create your epochs, include the parameter preload=True, then you will see in the output which epochs are getting dropped based on your reject criteria.  Probably your criteria are too stringent, that's why it says <Epochs | 0 events ...>.  Here "0 events" means all epochs were rejected.  See also epochs.plot_drop_log().

-- dan
Daniel McCloy
https://dan.mccloy.info
Research Scientist
Institute for Learning and Brain Sciences
University of Washington

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Friday, April 3, 2020 8:57 AM, Andrade Rey René <rene.andrade at edu.uah.es> wrote:

>         External Email - Use Caution
>
> Dear experts:
>
> I am processing egg data. I need to do epochs.average() but it says like epochs is empty and it makes no sense to do average. When I do mne.Epochs I find that not all the channels were dropped. Depending on the event_id= dict(aud=id1).
>
> Sincerely,
> Andrade.
>
>>>> epochs
> <Epochs  |   0 events (all good), -0.199219 - 0.5 sec, baseline [None, 0], ~161 kB, data loaded,
>  'read': 0>
>
>>>> events
> array([[ 18275,      0,    128],
>        [ 19387,      0,      2],
>        [ 20422,      0,      2],
>        [ 32156,      0,    128],
>        [ 46029,      0,    128],
>        [ 46873,      0,      2],
>        [ 47522,      0,      4],
>        [ 72924,      0,    128],
>        [ 73666,      0,      2],
>        [ 74230,      0,      2],
>        [ 92717,      0,    128],
>        [ 94025,      0,      2],
>        [ 94590,      0,      2],
>        [108211,      0,    128],
>        [109532,      0,      2],
>        [110110,      0,      4],
>        [130866,      0,    128],
>        [131605,      0,      4],
>        [132900,      0,      2],
>        [156301,      0,    128],
>        [157153,      0,      2],
>        [157843,      0,      4],
>        [176353,      0,    128],
>        [177182,      0,      2],
>        [177821,      0,      2],
>        [191436,      0,    128],
>        [192495,      0,      4],
>        [193129,      0,      2],
>        [233638,      0,    128],
>        [234323,      0,      4],
>        [234936,      0,      4],
>        [248375,      0,    128],
>        [249218,      0,      2],
>        [249817,      0,      2],
>        [255773,      0,    128],
>        [256493,      0,      2],
>        [257060,      0,      4],
>        [286302,      0,    128],
>        [287009,      0,      4],
>        [287601,      0,      2],
>        [320684,      0,    128],
>        [321413,      0,      4],
>        [340579,      0,    128],
>        [341369,      0,      4],
>        [342650,      0,      2],
>        [383286,      0,    128],
>        [384166,      0,      2],
>        [384810,      0,      2],
>        [406476,      0,    128],
>        [407297,      0,      2],
>        [407956,      0,      4],
>        [409017,      0,      2],
>        [444348,      0,    128],
>        [445107,      0,      2],
>        [445683,      0,      4],
>        [446969,      0,      2],
>        [482043,      0,    128],
>        [482761,      0,      2],
>        [483421,      0,      2],
>        [521536,      0,    128],
>        [522365,      0,      2],
>        [523009,      0,      2],
>        [535415,      0,    128],
>        [536091,      0,      4],
>        [536691,      0,      2],
>        [573609,      0,    128],
>        [574341,      0,      4],
>        [574916,      0,      2],
>        [588192,      0,    128],
>        [588973,      0,      4],
>        [589524,      0,      2],
>        [611318,      0,    128],
>        [612110,      0,      2],
>        [612703,      0,      4],
>        [613416,      0,      2],
>        [634153,      0,    128],
>        [635029,      0,      2],
>        [635592,      0,      2],
>        [636193,      0,      2],
>        [662819,      0,    128],
>        [663674,      0,      2],
>        [664355,      0,      4],
>        [665003,      0,      2],
>        [677292,      0,    128],
>        [678266,      0,      2],
>        [678926,      0,      2],
>        [679619,      0,      2]])
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