quantCol: Return colors based on a palette and quantitative variable

In ajrominger/socorro: Helper functions for R

Description

Assign colors to the values of a variable

Usage

quantCol(x, pal, trans = c("linear", "log", "quadratic", "cubic"),
  xlim = NULL)

Arguments

x	the quantitative variable to be assigned colors
pal	the colors to be supplied to colorRamp
trans	the transformation to use on x
xlim	limits on the variable x, can be omitted, in which case the range of x is used

Details

This function linearly scales a variable to [0, 1] (potentially after a non- linear transformation) and uses those scaled values as input into colorRamp

Value

A character vector of the desired colors

Author(s)

Andy Rominger <[e-mail]>

See Also

colorRamp

Examples

x <- 1:10
plot(x, col = quantCol(x, c('blue', 'red')))

ajrominger/socorro documentation built on Jan. 3, 2020, 6:25 a.m.