Hi - this is because by default a threshold is applied to the abs(cc)
values - if you put 0 at the end of the command you'll get ALL the
results.
Cheers.
On 7 Aug 2009, at 19:52, Jonathan O'Muircheartaigh wrote:
> I'm running fslcc to assess correlations between 670 volumes
> (probably a bit
> more than usual?). I run it with the noabs option as well as
> thresholding at
> 0 (so that all correlations would be recorded).
>
> However the results don't end up with the expected 448900 rows (670
> x 670) -
> after running it in an identical fashion three times using the same
> command
> I've ended up with 448898 rows, 414200 rows and 423923 rows. Different
> columns get skipped on different occasions.
>
> I have a hefty amount of RAM so I don't think that's an issue. Has
> this ever
> happened to anyone else?
>
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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
+44 (0) 1865 222726 (fax 222717)
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