R plot: Displaying both point type and line type in legend - Stack Overflow
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
Week 8: R graphics-how to make your data look pretty... - R for fish and wildlife grads
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The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
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R Tutorials | Adding Legends to a Plot in R
Describe Parts of a Chart in Graphical Form in R Programming - legend() Function - GeeksforGeeks
Data visualization in R: Show legend outside of the plotting area | coders corner
Draw Legend Outside of Plot Area in Base R Graphic (Example Code)
Mastering R Plot – Part 1: colors, legends and lines | R-bloggers
Add legend at the top of a plot - Stack Overflow
Add Legend to a plot - legend() Function in R - DataScience Made Simple
Adding a legend to a plot | R-bloggers
Add legends to plots in R software : the easiest way! - Easy Guides - Wiki - STHDA
Legend for a continuous color scale in R | Mieux Vaut Prévenir que Guérir!
How to scale legend box or enlarge font size in the legend box in R - Stack Overflow
Add a legend to a base R chart – the R Graph Gallery
Data Visualization with R - Legends - Rsquared Academy Blog - Explore Discover Learn
R: legend with points and lines being different colors (for the same legend item) - Stack Overflow
How to change size of points of legend when 2 legends are present - Stack Overflow
