Learn how to create a scatter plot by group in base R with the plot function. Change the default colors and reorder the colors for the groups
Scatter plot of PCs 1 and 2 showing the grouping of 30 lines of Kerria
colors - Colouring plot by factor in R - Stack Overflow
5.2 Grouping Points Together using Shapes or Colors
Chapter 3 Data Visualization Introduction to R for Data Science: A LISA 2020 Guidebook
r - Stacked boxplot and scatter plot - group BOTH by same variable - Stack Overflow
ggplot2.scatterplot : Easy scatter plot using ggplot2 and R
Color Scatterplot Points in R (2 Examples)
Scatter plot of difference of the segregation of two opinion groups
R Scatter Plot - ggplot2 - Learn By Example
What's a good way to use R to make a scatterplot that separates the data by treatment? - Cross Validated
Boxplot with individual data points – the R Graph Gallery
R Scatter Plot - ggplot2 - Learn By Example
Plotting scatter plot by groups in r - Stack Overflow
Graphs and Tables
Creating Scatter Plot by Groups in R - HKBUPhonLab.Ep.49