aes

0th

Percentile

Define aesthetic mappings.

Generate aesthetic mappings that describe how variables in the data are mapped to visual properties (aesthetics) of geoms. This function also standardise aesthetic names by performs partial name matching, converting color to colour, and old style R names to ggplot names (eg. pch to shape, cex to size)

Usage
aes(x, y, ...)
Arguments
x, y, ...
List of name value pairs giving aesthetics to map to variables. The names for x and y aesthetics can be omitted (because they are so common); all other aesthetics must be named.
See Also

See aes_q/aes_string for standard evaluation versions of aes.

See aes_colour_fill_alpha, aes_group_order, aes_linetype_size_shape and aes_position for more specific examples with different aesthetics.

Aliases
  • aes
Examples
aes(x = mpg, y = wt)
aes(mpg, wt)

# You can also map aesthetics to functions of variables
aes(x = mpg ^ 2, y = wt / cyl)

# Aesthetic names are automatically standardised
aes(col = x)
aes(fg = x)
aes(color = x)
aes(colour = x)

# aes is almost always used with ggplot() or a layer
ggplot(mpg, aes(displ, hwy)) + geom_point()
ggplot(mpg) + geom_point(aes(displ, hwy))

# Aesthetics supplied to ggplot() are used as defaults for every layer
# you can override them, or supply different aesthetics for each layer
Documentation reproduced from package ggplot2, version 2.1.0, License: GPL-2

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