Creating legends when aesthetics are constants in ggplot2
Best Introduction to GGPlot2 - Datanovia
How to Create a Manual Legend in ggplot2 (With Examples) - Statology
ggplot2 colors : How to change colors automatically and manually? - Easy Guides - Wiki - STHDA
ggplot2 colors : How to change colors automatically and manually? - Easy Guides - Wiki - STHDA
scale_colour_manual does not drop unused levels. - tidyverse - Posit Community
Dealing with color in ggplot2 | the R Graph Gallery
How To Change Line Colors In Ggplot2 (With Examples)
GGPlot Colors Best Tricks You Will Love - Datanovia
ggplot2 - How to specify `scale_color_manual()` in `python`, using `lets-plot` - Stack Overflow
GGPlot Colors Best Tricks You Will Love - Datanovia
Chapter 4 Methods | A Minimal Book Example
r - scale_color_manual() not working - Stack Overflow
Dynamic Values to scale_color_manual and scale_shape_manual - Posit Community
r - scale_color_manual() for different geoms in ggplot - Stack Overflow
How to Use scale_color_manual in R | A Complete Guide | by RStudioDataLab | Medium
Create your own discrete scale — scale_manual • ggplot2
gameR • gameR
ggplot2 Quick Reference: colour (and fill) | Software and Programmer Efficiency Research Group
Issue with scale_color_manual · Issue #4616 · tidyverse/ggplot2 · GitHub
Combining scale_fill_manual and scale_colour_manual /ggprotos - tidyverse - Posit Community
Legend guide — guide_legend • ggplot2
data visualization - How do I use scale_color_manual in Python? - Stack Overflow
