[Eeglablist] question about ITC/ERSP

[Makoto Miyakoshi]

Dear PengMin,

> "Finding closest points for time variableTime values for time/freq
decomposition is not perfectly uniformly distributed."

This means that your time-frequency plot does not have exactly regular
intervals in latency. These errors are usually small so you don't need to
worry about them.

Makoto

2012/12/10 PengMin Qin <qin.pengmin at gmail.com>

> Dear all,
>
> I meet one question when I run the "study"- "pre-computer channel
> measures" to calculate the ITC and ERSP. The epoch is 1100ms, including
> 200ms pre-stimulus baseline.
> My parameters for ITC and ERSP is following:
>
> " 'cycles', [1 0.5], 'baseline', [-200 0], 'freqs', [3 4 5 6 7 8 9 10 11
> 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
> 37 38 39 40 41 42 43 44 45], 'alpha', 0.05".
>
> I test it, it works. But when I run it, I got one information:
> "Finding closest points for time variableTime values for time/freq
> decomposition is not perfectly uniformly distributed."
>
> I am not sure what it means. Are the parameters ok? or There are something
> wrong?
>
> Thank you very much!!
>
> Best,
> Pengmin
>
>
>
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-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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