[R] [R-pkgs] New version of "vcd" package

From: David Meyer <david.meyer_at_wu-wien.ac.at>
Date: Tue 05 Jul 2005 - 08:30:39 EST


Dear useRs,

a completely revised version of the `vcd' ("Visualizing Categorical Data") package is now
available from CRAN. This major revision includes the following enhancements:

The package is now entirely based on `grid', the new R graphics system, thus exploiting
its unique functionalities. Powered by grid, it is now possible, e.g., to simply compose complex plots of available components, or to modify plot elements
after they have been drawn.

Extended mosaic and association plots are now integrated in a completely new
generic framework for the visualization of contingency tables (so-called `strucplots').
The new design modularizes labeling, shading, spacing, and drawing of legends, and
also the cells' content by the use of panel functions.

Powerful labeling functions offer much more flexibility for adding labels
(e.g., no restrictions on the number of dimensions, flexible positioning of labels,
cell labeling, etc.)

The framework in particular includes many predefinded functions for the creation of
residual-based shadings.

Convenience interfaces for various `flavors' of mosaic displays are available, e.g.,
doubledecker plots, or visualizations of "loglm" objects with residual-based shading.

In addition, the package features several new data sets, and an inference
function for (conditional) independence of margins in a contingency table.

Happy drawing!

David, Achim, Kurt

-- 
Dr. David Meyer
Department of Information Systems and Operations

Vienna University of Economics and Business Administration
Augasse 2-6, A-1090 Wien, Austria, Europe
Fax: +43-1-313 36x746 
Tel: +43-1-313 36x4393
HP:  http://wi.wu-wien.ac.at/~meyer/

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Received on Tue Jul 05 17:55:43 2005

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