Assigning Colors to Specific Values in a data.frame R: A Step-by-Step Guide to Resolving the Issue

Creating Custom-Colored Rasters with R: A Step-by-Step Guide

Customizing Colors of Points in Quantile-Quantile Plots using qqmath from R's Lattice Package

How to Create Gradient Colors in ggplot2: A Step-by-Step Guide for Visualizing Complex Data