[Eeglablist] Problem while importing ASCII data and events files: latencies out-of-bounds

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Mar 19 10:17:01 PDT 2015

Dear Hugo,

Sorry for slow response.
My initial guess is that the unit of the latency could be different... it
could be second, millisecond, or frame. You may want to check it first.



On Sun, Feb 22, 2015 at 3:59 PM, Hugo Pantecouteau <
hugo.pantecouteau at gmail.com> wrote:

> Dear all,
> I had Iwave (INStep) .ic files with 64 channels and I have subtracted them
> to get 32 channels .ic files.
> Then, I export them from Iwave at a sampling rate of 248 Hz to get ASCII
> files (.asc) and transformed them into data.txt and events.txt files to
> import them into EEGlab.
> Then, I do "import data" and it is working (with some warnings like "upper
> time limit (xmax) adjusted so (xmax-xmin)*srate+1 = number of frames")
> Then, I do "import events info" but the events are not imported and I have
> this error:
> "eeglab_checkset warning: 71/71 events had out-of-bounds latencies and
> were removed" and in the blue window I have: "events : none" instead of
> seeing the number of events.
> I tried to modifiy the parameter "Align event latencies to data events"
> from "NaN" to zero, 0.5 or 1 but i got the following error: no pre-exsting
> events.
> My events.txt files have three columns: latency (floating point numbers),
> type (integers) and code (integers).
> I don't know why I get this error and I have no more ideas to try to fix
> it.
> Thank you!
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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