Add a legend to a base R chart – the R Graph Gallery
Line Types in R: The Ultimate Guide for R Base Plot and GGPLOT - Datanovia
How to display a legend outside a R plot | Ben Fradet
Stacked Barplot in R and placing legend outside the graph area – Coal Geology and Mining: Consulting Services
R 에서 범례 넣는 법 How to Plot Legend in R
PCH in R Best Tips - Datanovia
Taking control of the legend in raster (in R) – biologyforfun
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Mastering R Plot – Part 1: colors, legends and lines | R-bloggers
Legends in graphs and charts. Statistics for Ecologists Exercises.
One R Tip A Day: Two plot with a common legend - base graphics
How did I do that???: The simplest way to plot a legend outside a plot in R
R plot: Displaying both point type and line type in legend - Stack Overflow
Data Visualization with R - Legends - Rsquared Academy Blog - Explore Discover Learn
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Add Legend to a plot - legend() Function in R - DataScience Made Simple
Describe Parts of a Chart in Graphical Form in R Programming - legend() Function - GeeksforGeeks
Adding a legend to a plot | R-bloggers
GIS in R: Plot Spatial Data and Create Custom Legends in R | Earth Data Science - Earth Lab
Mastering R Plot – Part 1: colors, legends and lines | R-bloggers
Week 8: R graphics-how to make your data look pretty... - R for fish and wildlife grads
