Bar
Aesthetic mappings supported by geomBar().
Parameters
X-axis value (this value will produce cases or bins for bars).
Y-axis value (this value will be used to multiply the case's or bin's counts).
Transparency level of a layer. Understands numbers between 0 and 1.
Color of the geometry. For more info see: aesthetics.html#color-and-fill.
Fill color. For more info see: aesthetics.html#color-and-fill.
Width of a bar.
Defines bar line width.
Used by Stat.count() stat to compute weighted sum instead of simple count.
Grouping key. If not set, grouping may be inferred from other aesthetics (e.g., color, size).
Auxiliary paint channel A that can be used as either color or fill as needed. Map a variable here for composite/multi-channel color with a matching scale.
Auxiliary paint channel B. See paint_a.
Auxiliary paint channel C. See paint_a.