Hi - same question as Katie's - please see the reply I just sent her.
Cheers.
On 27 Oct 2006, at 19:00, Jacquie H wrote:
> Hello all,
>
> I am running a group analysis with 25 people, each with one run on
> the ta
> sk.
> When I run Flame stage 1 & 2, I get the following error/warning duri
> ng some
> of the copes:
>
> Metropolis Hasting Sampling
> Number of voxels=49811
> Percentage done:
> 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
> 26 27
> 28
> 29 30 31 32
> WARNING: FLAME stage 2 has given an abnormally large difference to
> stage
> 1
> x=40,y=72,z=21
> vox=119654
> zts[0](vox)=9.3293
> zemlowerts[0](vox)=5.86408
> beta_mean[0](vox)=5.57779
> beta_b[0](vox)/beta_c[0](vox)=77.487
> 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
> 55 56
> 57
> 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
> 80 81 8
> 2
> 83 84 85 86 8
> 7 88 89 90 91 92 93 94 95 96 97 98 99 100
> Saving results
>
>
> I am unsure as to what this warning means about the data, or if I
> should
> do
> something differently. Any ideas?
>
> Jacquie
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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)
[log in to unmask] http://www.fmrib.ox.ac.uk/~steve
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