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%3CLINGO-SUB%20id%3D%22lingo-sub-386736%22%20slang%3D%22en-US%22%20mode%3D%22UPDATE%22%3ERandom%20Blocks%20with%20Covariate%20Designs%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-386736%22%20slang%3D%22en-US%22%20mode%3D%22UPDATE%22%3E%3CP%3ECurrently%2C%20if%20a%20covariate%20is%20included%20in%20Custom%20Design%2C%20there%20is%20no%20longer%20an%20option%20to%20have%20random%20blocks.%20This%20would%20be%20a%20nice%20feature%20to%20add.%20You%20can%20have%20fixed%20blocks%20right%20now%2C%20or%20you%20have%20to%20do%20something%20creative%20where%20you%20add%20in%20a%20fake%20hard-to-change%20factor%20to%20create%20a%20split-plot%20design%2C%20but%20modify%20your%20model.%20Having%20the%20random%20blocks%20option%20would%20seem%20most%20natural%20for%20those%20situations.%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-386736%22%20slang%3D%22en-US%22%20mode%3D%22UPDATE%22%3E%3CLINGO-LABEL%3EData%20Access%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EDesign%20of%20Experiments%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
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Random Blocks with Covariate Designs

Currently, if a covariate is included in Custom Design, there is no longer an option to have random blocks. This would be a nice feature to add. You can have fixed blocks right now, or you have to do something creative where you add in a fake hard-to-change factor to create a split-plot design, but modify your model. Having the random blocks option would seem most natural for those situations.