| ExploreModelMatrix | Explore model matrix | 
| ExploreModelMatrix-pkg | ExploreModelMatrix | 
| INTERNAL_.AddNewLine | Split a string into multiple lines if it's longer than a... | 
| INTERNAL_.CalculateVIFsLM | Calculate variance inflation factors from a design matrix | 
| INTERNAL_.ExampleDesigns | Define example designs | 
| INTERNAL_.IsValidFormula | Check whether a design formula is valid | 
| VisualizeDesign | Visualize design matrix | 
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