Hi,
It looks like there is a bug in randomise for "all 1's" fstats
- in your case it's the first fstat: ( 1 1 1 ). A fix will be in the
next patch, but for now if you change the fts file, randomise should
generate the other fstats...
Matthew
> Sure,
>
> Is this what you want?
>
> randomise -i all_FA_skeletonised -o test_out -m
> mean_FA_skeleton_mask -d bbb.mat -t bbb.con -f
> bbb.fts -n 5000 -c 2.5 -F 4 -V
>
> bbb.con
> =====================
> /ContrastName1 group mean
> /ContrastName2 variable
> /ContrastName3 age
> /NumWaves 3
> /NumContrasts 3
> /PPheights 2.304022e-01 6.939000e+01
> 1.557584e+01
> /RequiredEffect 3.610 4.184 3.618
>
> /Matrix
> 1.000000e+00 0.000000e+00 0.000000e+00
> 0.000000e+00 1.000000e+00 0.000000e+00
> 0.000000e+00 0.000000e+00 1.000000e+00
>
> Thanks a lots
> Naj
>
>
>
> On Sat, 6 Oct 2007, Matthew Webster wrote:
>
>> Hi,
>> Thanks for the fts file - can you upload the full call to
>> randomise as
>> well - it looks like something is going wrong during the
>> input/initialisation stage?
>>
>> Matthew
>>> Opps, how embarrassing :)
>>>
>>> But I must be still setting the ftest matrix wrong:
>>>
>>> Loading Data:
>>> Data loaded
>>> terminate called after throwing an instance of
>>> 'NEWMAT::ProgramException'
>>>
>>> less bbb.fts:
>>>
>>> /NumWaves 3
>>> /NumContrasts 7
>>>
>>> /Matrix
>>> 1 1 1 (e.g. intended for y~Intercept+variabe+Age??)
>>> 0 1 1
>>> 1 1 0
>>> 1 0 1
>>> 1 0 0
>>> 0 1 0
>>> 0 0 1
>>>
>>> Many thanks,
>>> Naj
>>>
>>>
>>>
>>> On Sat, 6 Oct 2007, Steve Smith wrote:
>>>
>>>> It sounds like you're trying to feed in the .fsf (general design
>>>> setup file) into the f-tests rather than the .fts (f-test contrasts
>>>> specification) file?
>>>> Cheers.
>>>>
>>>>
>>>> On 5 Oct 2007, at 19:28, Najmeh Khalili M. wrote:
>>>>
>>>>>
>>>>> Hi,
>>>>>
>>>>> I am interesed in performing f-tests on FA maps, using
>>>>> TBSS. I am trying to use randomise with -f option, but it fails:
>>>>>
>>>>> "bbb.fsfis not a valid vest file
>>>>> terminate called after throwing an instance of
>>>>> 'RBD_COMMON::BaseException' "
>>>>>
>>>>> I am attaching a snapshot of the fsf, in case I have completely
>>>> misunderstood the instrctions on setting up f-tests!
>>>>>
>>>>> (EV1 intercept, EV2 a demeaned variable, EV3 age)
>>>>>
>>>>> Many thanks,
>>>>> Naj
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> <bbb_design.jpg>
>>>>
>>>>
>>>> -------------------------------------------------------------------
>>>> -----
>>>> ---
>>>> 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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