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!
>
>
>
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--
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
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