Hi,
Yes, that's all correct.
Cheers.
On 27 Jul 2009, at 02:39, Padma Sundaram wrote:
> Hi,
>
> I'm trying to solve a simple GLM using First Level Feat Analysis.
>
> Basically, a Y = aX + b type model.
>
> Is the % variance explained by say explanatory variable EV1
>
> a^2 var(EV1)
> ---------------- ?
> var(Y)
>
> Here EV1 = X, data = Y, a = PE1
>
> Also, is the variance associated with residual noise contained in
> stats/sigmasquared?
>
> Is this right?
>
> Thanks much,
> --p
>
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Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
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