How to change size of points of legend when 2 legends are present - Stack Overflow
Remove Legend in ggplot2 (3 Example Codes) | Hide One or All Legends
Describe Parts of a Chart in Graphical Form in R Programming - legend() Function - GeeksforGeeks
Line Types in R: The Ultimate Guide for R Base Plot and GGPLOT - Datanovia
Add legend at the top of a plot - Stack Overflow
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Legend in R pch not filled - Stack Overflow
Week 8: R graphics-how to make your data look pretty... - R for fish and wildlife grads
Add a legend to a base R chart – the R Graph Gallery
PCH in R Best Tips - Datanovia
R help - legend, "lheight", and alignment
R: legend boxes with more than one colour - Stack Overflow
Figure 14-7: External Legends – SGR
How to display a legend outside a R plot | Ben Fradet
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
Adding a legend to a plot | R-bloggers
Legend for a continuous color scale in R | Mieux Vaut Prévenir que Guérir!
Data visualization in R: Show legend outside of the plotting area | coders corner
Padding Around Legend when using Pch in Base R - Stack Overflow
Create Legend in ggplot2 Plot in R (2 Examples) | Add Legends to Graph
Draw Legend Outside of Plot Area in Base R Graphic (Example Code)
Add legend with color and range in R - Stack Overflow
R: legend with points and lines being different colors (for the same legend item) - Stack Overflow
Taking control of the legend in raster (in R) – biologyforfun
