waiver


A waiver is a "flag" object, similar to <code>NULL</code>, that indicates the
calling function should just use the default value.  It is used in certain
functions to distinguish between displaying nothing (<code>NULL</code>) and
displaying a default value calculated elsewhere (<code>waiver()</code>)


internal

A system for 'declaratively' creating graphics,
based on "The Grammar of Graphics". You provide the data, tell 'ggplot2'
how to map variables to aesthetics, what graphical primitives to use,
and it takes care of the details.

waiver: A waiver object.

Description

Usage

Arguments