Add a legend to a base R chart – the R Graph Gallery
How To Easily Customize GGPlot Legend for Great Graphics - Datanovia
Adding manual legend to ggplot2 - tidyverse - RStudio Community
Adding a legend to a plot | R-bloggers
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Adding a scale to an image plot | R-bloggers
How to add colour matched legend to a R matplot - Stack Overflow
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
How Do I add a Custom Legend to a Plot, R - Stack Overflow
Add legend at the top of a plot - Stack Overflow
How to add a line to a continuous color legend but not the plot? - Stack Overflow
Adding simple legend to plot in R - Stack Overflow
Line Types in R: The Ultimate Guide for R Base Plot and GGPLOT - Datanovia
How to create a legend for ggplot - tidyverse - RStudio Community
ggplot2 legend : Easy steps to change the position and the appearance of a graph legend in R software - Easy Guides - Wiki - STHDA
Mastering R Plot – Part 1: colors, legends and lines | R-bloggers
How to add abline to legend together with geom_point - Stack Overflow
ggplot: Add second legend to plot with two dataframes - Stack Overflow
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
Add Legend to a plot - legend() Function in R - DataScience Made Simple
How To Easily Customize GGPlot Legend for Great Graphics - Datanovia
R Tutorials | Adding Legends to a Plot in R
GIS in R: Plot Spatial Data and Create Custom Legends in R | Earth Data Science - Earth Lab
ggplot2 legend : Easy steps to change the position and the appearance of a graph legend in R software - Easy Guides - Wiki - STHDA
Add legend with color and range in R - Stack Overflow
