[Eeglablist] ICA Sample Size

[arno]

Dear Asefa,

I do not agree with your number 30. It depends on the number of 
channels. Also, I am not sure the number of sample has anything to do 
with normality. See past messages on this subject.

http://sccn.ucsd.edu/pipermail/eeglablist/2006/001566.html
http://sccn.ucsd.edu/pipermail/eeglablist/2006/001568.html
http://sccn.ucsd.edu/pipermail/eeglablist/2006/001570.html

Best regards,

Arno

A. Debebe wrote:
> Dear All,
>
> I followed the ICA discussions of the sample size, a
> minimum of 30 samples is required due to the reasons,
> ICA uses statistical analysis and in any statistical
> analysis you need large sample enough to apply the
> central limit theorem. The magic numbber 30 is
> selected to make the sample distribution normal even
> when the population distribution itself is not normal.
> If one takes a sample size less than 30 then one must
> believe that the distribution of values in the
> population is normal ( there must be prior knowledge
> of the normal distribution).
>
> Regards,
>
> Debebe Asefa, PhD
>
>
>  
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