This document provides several examples of heatmaps built with R and ggplot2. It describes the main customization you can apply, with explanation and reproducible code.

Create a heat map in ggplot2 using the geom_tile function. Add the values on the cells, change the color palette and customize the legend color bar

Jun 8, 2023 · In both data analysis and visualization, heatmaps are a common visualization tool. They are especially beneficial for displaying and examining relationships and patterns in tabular data. The …

May 1, 2025 · Heatmaps are a common way of representing data. In this blog post, I'll show you how to make your own heatmaps using ggplot.

Dec 28, 2019 · Learn to create heatmaps using ggplot2. A step-by-step guide with geom_tile (), geom_raster (), color palettes, faceting & axis reordering.

May 9, 2020 · Note that the heatmap is currently ordered by car name. We could instead order the heatmap according to the values of one of the variables like mpg using the following code:

Heatmaps are color graphs that show data as a matrix with categories on the x and y axes. Each cell’s color corresponds to its value. They are useful for showing magnitude in two dimensions and often …