biscale

Tools and Palettes for Bivariate Thematic Mapping

Provides a 'ggplot2' centric approach to bivariate mapping. This is a technique that maps two quantities simultaneously rather than the single value that most thematic maps display. The package provides a suite of tools for calculating breaks using multiple different approaches, a selection of palettes appropriate for bivariate mapping and scale functions for 'ggplot2' calls that adds those palettes to maps. Tools for creating bivariate legends are also included.

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