pals: pal.cluster – R documentation

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pal.cluster

Show a palette with hierarchical clustering

Description

The palette colors are converted to LUV coordinates before clustering. (RGB coordinates are available, but not recommended.)

Usage

pal.cluster(pal, n = 50, type = "LUV", main = "")

Arguments

`pal`	A palette function or a vector of colors.
`n`	The number of colors to display for palette functions.
`type`	Either "LUV" (default) or "RGB".
`main`	Title to display at the top of the test image

Details

What to look for:

Colors that are visually similar tend to be clustered together.

Value

None

Author(s)

Kevin Wright

References

None

Examples

pal.cluster(alphabet(), main="alphabet")
pal.cluster(glasbey, main="glasbey") # two royal blues are very similar
pal.cluster(kelly, main="kelly") # two black-ish colors are very similar
# pal.cluster(watlington, main="watlington")
# pal.cluster(coolwarm(15), main="coolwarm") # curiously, grey clusters with blue

pals

Color Palettes, Colormaps, and Tools to Evaluate Them

v1.7

GPL-3

Authors

Kevin Wright [aut, cre] (<https://orcid.org/0000-0002-0617-8673>)

Initial release

2021-04-16