Grammar of Graphics for 'base' Plot
Description
A grammar of graphics framework built on 'base' graphics. It
provides a 'bbplot' object and a '+' operator to incrementally compose plots
from data, aesthetic mappings and layers, then render them using the base
plotting system. The package includes common geometric layers (points, lines,
segments, bars, histograms, boxplots and tiles), scales for color and other
aesthetics, legends, faceting, themes, and significance annotations.