esquisse (version 0.3.0)

which_pal_scale: Automatically select appropriate color scale

Description

Automatically select appropriate color scale

Usage

which_pal_scale(
  mapping,
  palette = "ggplot2",
  data = NULL,
  fill_type = c("continuous", "discrete"),
  color_type = c("continuous", "discrete")
)

Arguments

mapping

Aesthetics used in ggplot.

palette

Color palette

data

An optional data.frame to choose the right type for variables.

fill_type

Scale to use according to the variable used in fill : "discrete" or "continuous".

color_type

Scale to use according to the variable used in color : "discrete" or "continuous".

Value

a list

Examples

# NOT RUN {
library(ggplot2)

# Automatic guess according to data
which_pal_scale(
  mapping = aes(fill = Sepal.Length), 
  palette = "ggplot2", 
  data = iris
)
which_pal_scale(
  mapping = aes(fill = Species),
  palette = "ggplot2", 
  data = iris
)


# Explicitly specify type
which_pal_scale(
  mapping = aes(color = variable), 
  palette = "Blues", 
  color_type = "discrete"
)


# Both scales
which_pal_scale(
  mapping = aes(color = var1, fill = var2), 
  palette = "Blues", 
  color_type = "discrete",
  fill_type = "continuous"
)
# }