Print

Print


> Hi Steve,
> 
> Sorry for the delay in replying - only just got around to doing what you
> suggested.
> 
> I'm afraid I've had difficulty doing what you suggested.  I ran
> tbss3_postreg, and found out which brain it considered representative.
> Looking at the .msf files, all 18 files contains data. However, running
> avwinfo all_FA_skeletonised file shows that the file only contains 15 of
> the 18 datasets/time points.  This meant I got errors when running
> randmoise.
> 
> Ughhh!!!
> 
> What can I try next?
> 
> Best wishes
> Suzanna
> 
> -------------------------------------
> Date:         Fri, 18 May 2007 06:47:16 +0100
> Reply-To:     FSL - FMRIB's Software Library <[log in to unmask]>
> Sender:       FSL - FMRIB's Software Library <[log in to unmask]>
> From:         Steve Smith <[log in to unmask]>
> Subject:      Re: randomise - tbss
> In-Reply-To:  <000801c79898$cd1820f0$9949a78f@suzanna>
> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
> 
> urrrgh - I'm pretty sure this is a bug in the IRTK software
>   - but hopefully if this has not happened too many times you can get  
> around it.
> 
> If you just try running tbss_3_postreg, hopefully it will choose a  
> target subject for whom all the subjectN_to_chosentarget.msf files  
> exist....note which target it chooses and then test that all the  
> relevant .msf files are complete.
> 
> Cheers, Steve.
> 
> On 17 May 2007, at 16:34, Suzanna Laycock wrote:
> 
> > Hi Steve,
> >
> > I did what you suggested, and got a number of error warnings.  I've  
> > copied
> > the whole list from the start as this will, undoubtedly, mean a lot  
> > more to
> > you.
> >
> > Can you suggest anything?
> >
> > Best wishes
> > Suzanna
> >
> > Suzanna@suzanna ~/FSL_DATA/tbss
> > $
> >
> > -----Original Message-----
> > From: FSL - FMRIB's Software Library
> > [mailto:[log in to unmask]] On Behalf Of Steve Smith
> > Sent: 16 May 2007 16:24
> > To: [log in to unmask]
> > Subject: Re: [FSL] randomise
> >
> >
> > Hi - sounds like some of them failed - I suggest that you find the
> > empty .msf files
> > ls -l *.msf
> > and delete the empty ones, then just run tbss_2_reg again and it will
> > only do the missing registrations.
> >
> > Cheers.
> >
> >
> >
> > On 16 May 2007, at 15:50, Suzanna Laycock wrote:
> >
> >> Thanks Steve...should have noticed that.
> >>
> >> I've gone back and looked at the files I have, and I was wondering
> >> if I
> >> could check the following with you.
> >>
> >> I have two groups of 9, so tbss_2_reg should generate 324 files.
> >>
> >> But it hasn't, 24 of the files seem to be missing, even though the
> >> script
> >> ended.
> >>
> >> I take it this isn't normal?  Do you have any suggestions why this
> >> happened?
> >> I don't want to start re-running the script as it took 10 days to
> >> complete,
> >> if we're going to get the same problem.
> >>
> >> Best wishes
> >> Suzanna
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On
> >> Behalf Of Steve Smith
> >> Sent: 14 May 2007 16:24
> >> To: [log in to unmask]
> >> Subject: Re: [FSL] randomise
> >>
> >>
> >> Your model has 18 timepoints but your data only has 15! Steve.
> >>
> >>
> >> On 14 May 2007, at 16:21, Suzanna Laycock wrote:
> >>
> >>> Hi Steve,
> >>>
> >>> It says the following:
> >>>
> >>> Suzanna@suzanna ~/FSL_DATA/tbss/stats
> >>> $ avwinfo all_FA_skeletonised
> >>> data_type
> >>> dim1           182
> >>> dim2           218
> >>> dim3           182
> >>> dim4           15
> >>> datatype       16
> >>> pixdim1        -1.0000000000
> >>> pixdim2        1.0000000000
> >>> pixdim3        1.0000000000
> >>> pixdim4        1.0000000000
> >>> cal_max        0.0000
> >>> cal_min        0.0000
> >>> glmax          0
> >>> glmin          0
> >>> origin1        91
> >>> origin2        127
> >>> origin3        73
> >>> file_type      ANALYZE-7.5
> >>>
> >>>
> >>> -----Original Message-----
> >>> From: FSL - FMRIB's Software Library [mailto:[log in to unmask]] On
> >>> Behalf Of Steve Smith
> >>> Sent: 11 May 2007 15:19
> >>> To: [log in to unmask]
> >>> Subject: Re: [FSL] randomise
> >>>
> >>>
> >>> What does
> >>> avwinfo all_FA_skeletonised
> >>> say?
> >>>
> >>>
> >>>
> >>> On 11 May 2007, at 14:35, Suzanna Laycock wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> I'm trying to run the last part of tbss - randomise, and I get the
> >>>> following error message.  Any suggestions why?  I have 9 control  
> >>>> and
> >>>> 9 patient subjects.  Below is the design.mat and design.con
> >>>> files.
> >>>>
> >>>> Suzanna@suzanna ~/FSL_DATA/tbss/stats
> >>>> $ design_ttest2 design 9 9
> >>>>
> >>>> Suzanna@suzanna ~/FSL_DATA/tbss/stats
> >>>> $ randomise -i all_FA_skeletonised -o tbss -m mea  
> >>>> n_FA_skeleton_mask
> >>>> -d design.mat -t design.con -n  5000 -c 3 -V 48620 permutations
> >>>> required for exhaustive test number of rows in design matrix  
> >>>> doesn't
> >>>> match numb er of "time points" in input data!
> >>>>
> >>>>
> >>>> My design.mat is:
> >>>>
> >>>> /NumWaves 2
> >>>> /NumPoints 18
> >>>> /PPheights 1 1
> >>>> /Matrix
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 1 0
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>> 0 1
> >>>>
> >>>> And my design.con is:
> >>>>
> >>>> /NumWaves 2
> >>>> /NumContrasts 2
> >>>> /PPheights 1 1
> >>>> /Matrix
> >>>> 1 -1
> >>>> -1 1
> >>>>