Hi Deryk,
no, I think everything's fine as long as your maxc results seem to make sense! TFCE is *much* slowlier than the cluster-based correction, so I am not too surprised by these running times...
Cheers,
Gwenaelle
--- En date de : Mar 15.4.08, Deryk Beal <[log in to unmask]> a écrit :
> De: Deryk Beal <[log in to unmask]>
> Objet: [FSL] DTI analysis with randomise & -c -T
> À: [log in to unmask]
> Date: Mardi 15 Avril 2008, 18h00
> Hello Everyone
>
> I am interested in comparing results from an independent
> t-test of a patient
> group and a control group using both TFCE &
> Cluster-based thresholding. I
> ran randomise once using the -T command and 5000
> permutations. The
> permutations, as expected, took about 1 minute 45 seconds
> each on my single
> core 3.0GHz computer for a total of about 7 days processing
> time. I then
> reran randomise using the -c option and a threshold of 3.
> This time each
> permutation only took 15 seconds per - for total of 5-6
> hours running time.
> In talking with colleagues this processing time seems
> awfully short. Is it
> okay to re-run randomise like this in the same stats
> folder, with different
> output names of course, or is something happening that
> I'm not picking up
> on?
>
> Cheers,
>
> Deryk
>
>
> --
> Deryk Beal, M.HSc., S-LP(C), Reg. CASLPO
> Speech-Language Pathologist
> Doctoral Candidate
> 416-946-8635
> [log in to unmask] or [log in to unmask]
> *************************************************************************
> This email may contain confidential and/or privileged
> information for the
> sole use of the intended recipient. Any review or
> distribution by others is
> strictly prohibited. If you have received this email in
> error, please
> contact the sender and delete all copies. Opinions,
> conclusions or other
> information expressed or contained in this email are not
> given or endorsed
> by the sender unless otherwise affirmed independently by
> the sender.
_____________________________________________________________________________
Envoyez avec Yahoo! Mail. Une boite mail plus intelligente http://mail.yahoo.fr
|