only.unique.vals

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<p>Create a 1-row data.frame consisting of only the columns for which
there is only 1 unique value.</p>

An extensible framework
for automatically placing direct labels onto multicolor 'lattice' or
'ggplot2' plots.
Label positions are described using Positioning Methods
which can be re-used across several different plots.
There are heuristics for examining "trellis" and "ggplot" objects
and inferring an appropriate Positioning Method.

Toby Hocking

only.unique.vals: only unique vals

Description

Usage

Arguments