How do I make my table have full column rank?

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Benjamin Fram
Benjamin Fram 2015-11-16
编辑： Walter Roberson 2015-11-16
Hi,
I am performing repeated measures anova on 14 subjects measured over 4 timepoints. I have 5 other grouping variables (demographic information such as sex, Genotype, Transplant) that I would like to include in the analysis. The problem is, when I enter
V=ranova(fitrm(V,'x1-x4~Treat+Sex+Genotype+Transplant+PreviousTreat','WithinDesign',Time))
where Time=(1 2 3 4)
I get
Error using RepeatedMeasuresModel.fit (line 1331)
The between-subjects design must have full column rank.
Error in fitrm (line 67)
s = RepeatedMeasuresModel.fit(ds,model,varargin{:});
How do I fix this?
Thanks

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