Hi Jorge,
On the page presenting the "../fswiki/LinearMixedEffectsModels", I think
there is a misunderstanding -
You show the command:
"mris_preproc --qdec ...."
but "--qdec" is not recognized, and in the help menu of "mris_preproc" I
don't see this flag. So I guess you meant the "--fsgd" flag.
so, in the fsgd file, in our example, with 2 groups, and 2 time points,
would it be more correct to put the classes for each subject (exmpl.1)
or for 2 groups (exmpl.2), or this is not important at this stage ?
For the previous error, we found the answer, it was because in the qdec
file, we used the "tab" between the lines. We changed that to "space",
and it was ok.
Further, after performing the step:
[M,Y,ni] = sortData(M,2,Y,sids);
we get the Error:
File: sortData.m Line: 59 Column: 6
Expression or statement is incorrect--possibly unbalanced (, {, or [.
Can you please help with this?
Also, in the "lme_mass_fit_vw.m" help, we saw that we need to create the
X - ordered design matrix. Is this matrix the qdec file ?
As we see it now, the steps that we should perform in Matlab, are these:
[Y,mri] ...
lhsphere ...
lhcortex ...
Qdec = fRead...
Qdec = rmQdecCol...
sids...
Qdec = rmQdecCol...
M = ...
[M,Y,ni] ...
lme_mass_fit_vw(M,months,Y,Group,[],OutputFileName,[],[],[])
where M - should be something like '-1' '1' '1' '-1'
months - is the column from qdec file, where is shown the difference
between time points
Y - is the lh.thickness_sm10.mgh file
Group - should be the Group column from the qdec file
[] - are showing that the default values are to be taken.
But this approach doesn't seem to be entirely correct, cause the M
(matrix) includes either the group, either the months (depending how we
play with the command).
Thank you !!
Best regards,
Alex.
Le 05/12/2012 2:30 PM, jorge luis a écrit :
Hi Alex
This error is likely due to the Qdec variable being empty. So, nothing
was read into this variable when you applied
/Qdec = fReadQdec('qdec.table.dat'); /
Please check that. If you don't find a solution to this then send me
your Qdec table data file and I will check it out.
Best
-Jorge
GroupDescriptorFile 1
Class Subject1
Class Subject2
Class Subject3
Class Subject4
Class Subject5
Class Subject6
Class Subject7
Class Subject8
Class Subject9
Class Subject10
Class Subject11
Class Subject12
Class Subject13
Class Subject14
Class Subject15
Class Subject16
Class Subject17
Class Subject18
Class Subject19
Class Subject20
Class Subject21
Class Subject22
Class Subject23
Class Subject24
Class Subject25
Class Subject26
Class Subject27
Class Subject28
Class Subject29
Class Subject30
Class Subject31
Class Subject32
Class Subject33
Class Subject34
Class Subject35
Class Subject36
Variables
Input subj000 Subject1
Input subj100 Subject1
Input subj003 Subject2
Input subj103 Subject2
Input subj004 Subject3
Input subj104 Subject3
Input subj007 Subject4
Input subj107 Subject4
Input subj013 Subject5
Input subj113 Subject5
Input subj020 Subject6
Input subj120 Subject6
Input subj021 Subject7
Input subj121 Subject7
Input subj023 Subject8
Input subj123 Subject8
Input subj024 Subject9
Input subj124 Subject9
Input subj025 Subject10
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Input subj026 Subject11
Input subj126 Subject11
Input subj029 Subject12
Input subj129 Subject12
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Input subj012 Subject27
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Input subj136 Subject34
Input subj041 Subject35
Input subj141 Subject35
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Input subj142 Subject36
GroupDescriptorFile 1
Class Group1
Class Group2
Variables
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Input subj100 Group1
Input subj003 Group1
Input subj103 Group1
Input subj004 Group1
Input subj104 Group1
Input subj007 Group1
Input subj107 Group1
Input subj013 Group1
Input subj113 Group1
Input subj020 Group1
Input subj120 Group1
Input subj021 Group1
Input subj121 Group1
Input subj023 Group1
Input subj123 Group1
Input subj024 Group1
Input subj124 Group1
Input subj025 Group1
Input subj125 Group1
Input subj026 Group1
Input subj126 Group1
Input subj029 Group1
Input subj129 Group1
Input subj030 Group1
Input subj130 Group1
Input subj031 Group1
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Input subj037 Group1
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Input subj008 Group2
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Input subj110 Group2
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Input subj115 Group2
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Input subj119 Group2
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Input subj032 Group2
Input subj132 Group2
Input subj036 Group2
Input subj136 Group2
Input subj041 Group2
Input subj141 Group2
Input subj042 Group2
Input subj142 Group2
fsid months Group
subj000 0 Group1
subj100 18.8 Group1
subj003 0 Group1
subj103 19.5 Group1
subj004 0 Group1
subj104 17.6 Group1
subj007 0 Group1
subj107 18.1 Group1
subj013 0 Group1
subj113 17.7 Group1
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subj120 17.8 Group1
subj021 0 Group1
subj121 18.4 Group1
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subj123 19.9 Group1
subj024 0 Group1
subj124 19.8 Group1
subj025 0 Group1
subj125 19.2 Group1
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subj126 18.6 Group1
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subj129 19.1 Group1
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subj130 18.4 Group1
subj031 0 Group1
subj131 18.7 Group1
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subj037 0 Group1
subj137 18.7 Group1
subj038 0 Group1
subj138 15.3 Group1
subj040 0 Group1
subj140 22.6 Group1
subj043 0 Group1
subj143 20.9 Group1
subj001 0 Group2
subj101 21.5 Group2
subj002 0 Group2
subj102 18.7 Group2
subj005 0 Group2
subj105 18.2 Group2
subj006 0 Group2
subj106 18 Group2
subj008 0 Group2
subj108 19.6 Group2
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subj109 17.9 Group2
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subj112 17.8 Group2
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subj028 0 Group2
subj128 19.4 Group2
subj032 0 Group2
subj132 18.2 Group2
subj036 0 Group2
subj136 19.2 Group2
subj041 0 Group2
subj141 17.3 Group2
subj042 0 Group2
subj142 10.1 Group2
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