ggplot: get discrete legend with scale_fill_gradient - Stack Overflow
Customize ggcorrplot legend - Stack Overflow
Legend colorbar is truncated and limits not respected with continuous scales - Stack Overflow
Scales, axes and legends
Data Visualization
White space between tiles in heatplot ggplot - Stack Overflow
A ggplot2 Tutorial for Beautiful Plotting in R - Cédric Scherer
Issue with editing ggplot2 legend - tidyverse - RStudio Community
How to reverse legend (labels and color) so high value starts downstairs? - Stack Overflow
Ch6 Scales, axes and legends
Manipulating the legend of scale_fill_gradient2 - Stack Overflow
ggplot scale_fill_gradient2 "stopping" at midpoint - Stack Overflow
A ggplot2 Tutorial for Beautiful Plotting in R - Cédric Scherer
Scales, axes and legends
Legend produced by scale_fill_gradient() in ggplot2 returns a legend that is blank. How can I populate this? - Stack Overflow
Label minimum and maximum of scale fill gradient legend with text: ggplot2 - Stack Overflow
Module 2.3
ggplot2: Legend is missing despite scale_fill_manual() : rstats
A ggplot2 Tutorial for Beautiful Plotting in R - Cédric Scherer
What is ggtern? - ggtern: ternary diagrams in R
