Reference lines, segments, curves and arrows in ggplot2 | R CHARTS
How to Plot a Smooth Line using GGPlot2 - Datanovia
Reference lines: horizontal, vertical, and diagonal — geom_abline • ggplot2
Add x=y geom_abline to ggplot - General - Posit Community
Draw Vertical Line to X-Axis of Class Date in ggplot2 Plot in R (Example)
ggplot2 add straight lines to a plot : horizontal, vertical and regression lines - Easy Guides - Wiki - STHDA
GGPLOT: How to Display the Last Value of Each Line as Label - Datanovia
r - Show means with points and horizontal lines (segments) with ggplot2 - Stack Overflow
Add Diagonal Line to Plot (Example) | Overlay Base R & ggplot2 Graphic
Line Segment & Curve in ggplot2 Plot in R | geom_segment & geom_curve
ggplot2 Quick Reference: geom_vline | Software and Programmer Efficiency Research Group
How to Add a Vertical Line to a Plot Using ggplot2
How to Add a Regression Line to a ggplot?
Connected scatterplot with R and ggplot2 – the R Graph Gallery
Add Vertical and Horizontal Lines to ggplot2 Plot in R - GeeksforGeeks
ggplot2 Quick Reference: geom_abline | Software and Programmer Efficiency Research Group
How to Add a Vertical Line to a Plot Using ggplot2
r - Add a horizontal line to plot and legend in ggplot2 - Stack Overflow
r - How to add a horizontal line above a bar chart using ggplot? - Stack Overflow
Horizontal line in ScatterPlot using ggplot - tidyverse - Posit Community
r - ggplot2: Add points to geom_line - Stack Overflow
3 Different ways to add regression line in ggplot2 - Python and R Tips
How to add labels at the end of each line in ggplot2? | R-bloggers
Adding lines or other geoms to a ggplot by calling a custom function | R-bloggers
Draw point-like short line segments — geom_hpline • ungeviz
r - How can I add horizontal lines between my vertical lines in ggplot? - Stack Overflow
Adding partial horizontal lines with ggplot2 in R - Stack Overflow
Adding labels to ends of ggplot lines of differing lengths - General - Posit Community
