So, did it generate the error when you loaded the table or when you hit 
analyze? List the steps and buttons that produce this error.
doug

On 07/31/2014 05:20 PM, McLaughlin, Katie wrote:
> Hi Doug,
>
> I'm using 5.3.
>
> This error was generated when I had more variables in the model, so I used 
> the option within qdec to remove variables from the data table to see if that 
> had any effect (i.e., deleted everything except one categorical variable).  
> Still got the error you see below.
>
> Thanks,
> Kate
>
> ________________________________________
> From: freesurfer-boun...@nmr.mgh.harvard.edu 
> [freesurfer-boun...@nmr.mgh.harvard.edu] on behalf of Douglas N Greve 
> [gr...@nmr.mgh.harvard.edu]
> Sent: Thursday, July 31, 2014 5:14 PM
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] GLM error in QDEC
>
> What version of FS are you using? When I load that file in 5.3 qdec, it
> creates several discrete classes, see below
> doug
>
>
>      40 1179 c 17.514000 0.944336 f 12.000000 14.000000 0.000000
> -7.500000 0.452381 1565300.000000 15300.000000
>      41 1180 c 17.330600 0.760936 f 1.000000 0.000000 0.000000 -18.500000
> -13.547619 1452200.000000 -97800.000000
>      42 1181 c 16.188900 -0.380764 f 10.000000 6.000000 0.000000
> -9.500000 -7.547619 1489390.000000 -60610.000000
> 1  maltreatment  discrete 2
>       1  c
>       2  m
> 2  age  continuous 0
> 3  age_demean  continuous 0
> 4  sex  discrete 2
>       1  m
>       2  f
> 5  internalizing  continuous 0
> 6  externalizing  continuous 0
> 7  hs_less  continuous 0
> 8  internal_demean  continuous 0
> 9  external_demean  continuous 0
> 10  ICV  continuous 0
> 11  ICV_demean  continuous 0
>                   Continuous Factors:         Mean:       StdDev:
>                   -------------------         -----       -------
>                                   age        16.570         1.410
>                            age_demean        -0.000         1.410
>                         internalizing        19.500        12.769
>                         externalizing        13.548         9.759
>                               hs_less         0.119         0.328
>                       internal_demean         0.000        12.769
>                       external_demean         0.000         9.759
>                                   ICV   1554609.048    168177.248
>                            ICV_demean      4609.048    168177.248
>
> Number of subjects:   42
> Number of factors:    11 (2 discrete, 9 continuous)
> Number of classes:    4
> Number of regressors: 40
>
>
>
>
> On 07/31/2014 02:27 PM, McLaughlin, Katie wrote:
>> Hi Doug et al,
>>
>> I'm trying to run an analysis in QDEC and continue to get an error
>> that says that the QDEC GLM design creates 0 factors.
>>
>> I'm attaching my data table here as well as the output of QDEC.  I've
>> tried deleting all variables in my data file other than one and
>> testing just that comparison, but no luck.
>>
>> Any thoughts are much appreciated.
>>
>> Thanks,
>> Kate
>>
>> SUBJECTS_DIR is
>> '/net/rc-fs-nfs/ifs/data/Shares/DMC-Sheridan2/projects/SAS/FreeSurfer/FS_5.3'
>> Input table:
>> /neuro/labs/sheridanlab/projects/SAS/FreeSurfer/FS_5.3/qdec/qdec.table.maltreatment.dat
>> Subj#, SubjID, Data...
>>      1 1009 c
>>      2 1014 c
>>      3 1032 c
>>      4 1034 c
>>      5 1041 m
>>      6 1043 m
>>      7 1047 c
>>      8 1058 m
>>      9 1077 c
>>     10 1094 m
>>     11 1096 c
>>     12 1097 c
>>     13 1099 c
>>     14 1100 m
>>     15 1114 m
>>     16 1119 m
>>     17 1123 m
>>     18 1125 c
>>     19 1126 c
>>     20 1128 c
>>     21 1134 c
>>     22 1137 m
>>     23 1139 m
>>     24 1142 m
>>     25 1143 m
>>     26 1153 m
>>     27 1154 m
>>     28 1157 c
>>     29 1158 m
>>     30 1163 m
>>     31 1165 m
>>     32 1166 m
>>     33 1167 m
>>     34 1171 c
>>     35 1173 c
>>     36 1175 c
>>     37 1176 c
>>     38 1177 m
>>     39 1178 m
>>     40 1179 c
>>     41 1180 c
>>     42 1181 c
>> 1  maltreatment  discrete 2
>>      1  c
>>      2  m
>>                  Continuous Factors:         Mean: StdDev:
>>                  -------------------         ----- -------
>>
>> Number of subjects:   42
>> Number of factors:    1 (1 discrete, 0 continuous)
>> Number of classes:    2
>> Number of regressors: 2
>> ============================================================
>> ERROR: QdecGlmDesign::Create: zero factors!
>>
>>
>>
>> _______________________________________________
>> Freesurfer mailing list
>> Freesurfer@nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu
> Phone Number: 617-724-2358
> Fax: 617-726-7422
>
> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
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> www.nmr.mgh.harvard.edu/facility/filedrop/index.html
> Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/
>
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-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
www.nmr.mgh.harvard.edu/facility/filedrop/index.html
Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/

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