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

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

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

Specifying Multiple Fill Colors for Points in ggplot2: A Step-by-Step Guide

Colouring Plots by Factor Variables in R with ggplot2: A Comprehensive Guide

Adding Color to Points on a Map to Denote Values of Another Variable: A Practical Guide for R Users