I expect you probably want local maxima, so you should probably use
"cluster" for that.
Cheers.
On 13 Apr 2007, at 12:48, Suzanna Laycock wrote:
> Hi Steve,
>
> Sorry a basic question, but how do I use avwstats++ to output a
> list of all
> the significant voxels from the tstat maps?
>
> Regards
> Suzanna
>
>
>
> -----Original Message-----
> From: FSL - FMRIB's Software Library
> [mailto:[log in to unmask]] On Behalf Of Steve Smith
> Sent: 12 April 2007 14:42
> To: [log in to unmask]
> Subject: Re: [FSL] Clarification of Randomise usage
>
>
> Hi,
>
> Yes - there's the paper by Tom listed at the top of the FSL randomise
> manual webpage, that's very useful.
>
> If you take the vox_tstat (uncorrected) or max_tstat (corrected)
> you'lll get p-value images. You can then use tools such as avwstats++
> and FSLView to find out where the voxels were significant - see the
> randomise manual.
>
> Cheers.
>
>
> On 12 Apr 2007, at 13:53, Suzanna Laycock wrote:
>
>> Hi,
>>
>> I was wondering if I could get a couple of things clarified in
>> regards to Randomise, I'm just playing with it in advance of
>> analysing a full data set.
>>
>> Firstly, is there more information available beyond the Ransomise
>> webpage and FSL archives?
>>
>> Secondly, once Randomise generates the various tstats images, is
>> there a way to get a text file of the x,y,z corordinates where
>> there are statistical differences between goups, and the p-value or
>> FA value at the voxels?
>>
>> Best wishes
>> Suzanna
>>
>>
>>
>>
>>
>
>
> ----------------------------------------------------------------
> --------
> ---
> Stephen M. Smith, Professor of Biomedical Engineering
> Associate Director, Oxford University FMRIB Centre
>
> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
> +44 (0) 1865 222726 (fax 222717)
> [log in to unmask] http://www.fmrib.ox.ac.uk/~steve
> ----------------------------------------------------------------
> --------
> ---
------------------------------------------------------------------------
---
Stephen M. Smith, Professor of Biomedical Engineering
Associate Director, Oxford University FMRIB Centre
FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK
+44 (0) 1865 222726 (fax 222717)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
------------------------------------------------------------------------
---
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