STATS4STEM
Mastering R Plot – Part 1: colors, legends and lines | DataScience+
Add a legend to a base R chart – the R Graph Gallery
How To Change Legend Title in ggplot2? - Python and R Tips
PCH in R Best Tips - Datanovia
Create a Scatter Plot in R with Multiple Groups - Finance Train
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)
Scatter plots with a legend — Matplotlib 3.3.2 documentation
The Complete ggplot2 Tutorial - Part2 | How To Customize ggplot2 (Full R code)
Create Legend in ggplot2 Plot in R (2 Examples) | Add Legends to Graph
Scatter plots, best fit lines (and regression to the mean)
Adding Labels to Points in a Scatter Plot in R | The Chemical Statistician
Add Legend to a plot - legend() Function in R - DataScience Made Simple
R - color scatterplot points by z value with legend - Stack Overflow
How to Remove Legend from a GGPlot : The Best Reference - Datanovia
Map a variable to marker feature in ggplot2 scatterplot – the R Graph Gallery
R Tutorials | Adding Legends to a Plot in R
Multivariate Plots
2-D Scatter Plot with Gradient Color Legend on Top - Stack Overflow
Scatterplot in R (10 Examples) | Create XYplot in Base R, ggplot2 & lattice
R Base Graphics: An Idiot's Guide
