MSG (version 0.3)

vec2col: Generate colors from a vector

Description

This functions generates a color vector from an input vector, which can be of the class numeric or factor.

Usage

vec2col(vec, n, name)
# S3 method for default
vec2col(vec, n, name)
# S3 method for factor
vec2col(vec, n, name)

Arguments

vec

the numeric or factor vector

n

the number of colors to be generated from the palette

name

the name of the palette

Value

a vector of colors corresponding to the input vector

Examples

# NOT RUN {
## convert factor to colors
with(iris, plot(Petal.Length, Petal.Width, col = vec2col(Species), pch = 19))

# another palette
with(iris, plot(Petal.Length, Petal.Width, col = vec2col(Species, name = "Dark2"), 
    pch = 19))

## turn numeric values to colors
with(iris, plot(Petal.Length, Petal.Width, col = vec2col(Petal.Width), pch = 19))
# }