Square pie charts (a.k.a. waffle charts) can be used to communicate parts of a whole for categorical quantities. To emulate the percentage view of a pie chart, a 10x10 grid should be used with each square representing 1% of the total. Modern uses of waffle charts do not necessarily adhere to this rule and can be created with a grid of any rectangular shape. Best practices suggest keeping the number of categories small, just as should be done when creating pie charts. Tools are provided to create waffle charts as well as stitch them together, and to use glyphs for making isotype pictograms.
|Depends:||R (≥ 3.2.0), ggplot2 (≥ 2.0.0)|
|Imports:||RColorBrewer, grid, gridExtra, gtable, extrafont|
|Author:||Bob Rudis [aut, cre], Dave Gandy [aut] (Font Awesome)|
|Maintainer:||Bob Rudis <bob at rud.is>|
|License:||GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]|
|CRAN checks:||waffle results|
|Windows binaries:||r-devel: waffle_0.7.0.zip, r-release: waffle_0.7.0.zip, r-oldrel: waffle_0.7.0.zip|
|OS X Mavericks binaries:||r-release: waffle_0.7.0.tgz, r-oldrel: waffle_0.7.0.tgz|
|Old sources:||waffle archive|
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