vcdExtra 0.9.6: Extending Categorical Data Visualization in R with 3D Mosaic Plots and Model Support
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Summary
This article describes the vcdExtra package (version 0.9.6), which extends the vcd (Visualizing Categorical Data) and gnm (Generalized Nonlinear Models) R packages. It provides additional data sets, documentation, and functions that extend mosaic, assoc, and sieve plots to handle glm() and gnm() models, adds a 3D visualization version (mosaic3d), and offers methods for comparing and visualizing lists of glm and loglm objects. The package serves as a support package for the book "Discrete Data Analysis with R" by Michael Friendly and David Meyer.
Key quotes
· 4 pulledThis package provides additional data sets, documentation, and many functions designed to extend the vcd package for Visualizing Categorical Data and the gnm package for Generalized Nonlinear Models.
vcdExtra extends mosaic, assoc and sieve plots from vcd to handle glm() and gnm() models and adds a 3D version in mosaic3d().
The functions here use the 'strucplot' framework (Meyer et-al., 2006), which is a lovely, natural conceptual system for implementing v
This package is now a support package for the book, 'Discrete Data Analysis with R' by Michael Friendly and David Meyer.
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