[Eeglablist] Event out of data boundary

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Wed Jul 18 12:08:32 PDT 2018


Dear Michelle,

Good to hear that you could solve the problem. And thank you for sharing it.

Makoto

On Wed, Jul 18, 2018 at 6:46 AM Michelle Lee <michelle.lee98 at gmail.com>
wrote:

> Hello Makoto, I managed to run through the pipeline without having one of
> my events be 'out of boundary' after epoching. I'm not entirely sure why,
> but the reason it was doing this was because in my bin descriptor file, I
> had the format like this:
> .{119;129}.{1}
> when it should have been like this:
> .{119;129}{1}
>
> The latter means to accept these events (corresponding to these codes)
> only if followed by a 1 (correct answer). I'm not too sure what the first
> format is telling eeglab to do, but I suspect that was the reason why one
> of my events was being removed.
>
> Michelle
>
> On Tue, Jul 17, 2018 at 5:12 PM Makoto Miyakoshi <mmiyakoshi at ucsd.edu>
> wrote:
>
>> Dear Michelle,
>>
>> Is it possible that the 744's event latency plus 0.4 sec is out of data
>> boundary (i.e., the end of your recording)? Check it out please and tell me
>> what you find.
>>
>> Makoto
>>
>> On Mon, Jul 16, 2018 at 9:55 PM Michelle Lee <michelle.lee98 at gmail.com>
>> wrote:
>>
>>> Hello, I am having a slight issue epoching my data in that one event
>>> seems to get removed and I'm having a hard time understanding why. After
>>> epoching, I should have 744 events left but eeglab says event 744 is "out
>>> of data boundary" so I am left with 743 events. Here is what eeglab tells
>>> me:
>>>
>>> pop_epoch():744 epochs selected
>>> Epoching...
>>> Warning: event 744 out of data boundary
>>> pop_epoch():743 epochs generated
>>> pop_epoch(): time limits have been adjusted to [-0.100 0.400] to fit
>>> data points limits
>>> pop_epoch(): checking epochs for data discontinuity
>>> Zero latencies OK.
>>>
>>> Has anyone else had this problem before, and how can I make it so that
>>> all 744 epochs are selected successfully?
>>>
>>>
>>> Thank you,
>>>
>>> Michelle L
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>>
>>
>>
>> --
>> Makoto Miyakoshi
>> Swartz Center for Computational Neuroscience
>> Institute for Neural Computation, University of California San Diego
>>
>

-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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