Li Ke wrote:
> On Thu, 14 Aug 2003 02:42:47 +0100, Li Ke <[log in to unmask]> wrote:
>
> very sorry to bother you again
>
> but I think I really need your help!
>
> many thanks!
>
>
>>dear spm experts:
>>
>>I did two group rats' resting scans with fMRI,
>>
>>each group have 4 rats,
>>
>>I want to find the difference between AD mice group and the normal group
>>
>>now I wonder which basic model shall I take?
>>
>>p.s: I use windows2k/matlab5.3/spm99
>>
>>thank you in advance!
>>
>
>
If you only have two groups and one condition per
group then a 'Two-sample t-test' is all you need.
Select, say, all 4 rat-scans from the normal group then
all 4 from the AD group and then enter the vector 1 1 1 1 0 0 0 0
Best wishes,
Will.
--
William D. Penny
Wellcome Department of Imaging Neuroscience
University College London
12 Queen Square
London WC1N 3BG
Tel: 020 7833 7478
FAX: 020 7813 1420
Email: [log in to unmask]
URL: http://www.fil.ion.ucl.ac.uk/~wpenny/
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