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Accessing 'grid' from 'ggplot2'
This report describes the 'gggrid' package, which provides a convenient interface for making use of raw 'grid' functions in combination with 'ggplot2'.
The 'gggrid' package provides two functions,
grid_panel()
and grid_group()
,
both of which create a new layer in a 'ggplot2' plot.
The first argument to both functions is a 'grid' grob or a function that
generates a grob and that grob is added to the plot region
of the 'ggplot2' plot.