Change Font Size of ggplot2 Plot in R (Examples) | Axis Text, Main Title & Legend
Control Size of ggplot2 Legend Items in R (Example) | How to Adjust Symbols | guides & override.aes
Change Font & Item Size of Base R Plot Legend (Example) | How to Increase Proportions | par Function
Change Legend Labels of ggplot2 Plot in R (2 Examples) | Modify Item Text | scale_color_manual()
Add Legend to Plot in Base R (8 Examples) | Change Position, Color, Size, Shape of Point & Line Type
Customize Legend of plotly Graph in R (Example) | Modify & Change | Title, Font Family, Size & Color
customise legend of ggplot2: theme elemnts of ggplot2
Change Legend Title in ggplot2 in R (Example) | Modify Text of Plot Legends | scale_color_discrete
R : How to change font size for all text in a ggplot object relative to current value?
R Studio: Changing the text size
Change the position of the title and legend with ggplot2 in R (2 minutes)
Change Font Size of ggplot2 Facet Grid Labels in R (Example) | Increase or Decrease Text Sizes
Change Labels of Continuous ggplot2 Legend in R (Example) | Replace Numbers | scale_color_continuous
R : ggplot change size of some legend items
Change Font Size in corrplot in R (3 Examples) | Modify Correlation Coefficient, Text & Legend Label
Change Title, Axis labels, legends, Scaling (ggplot2)
Add or change legend names while using qplot (Data Visualization Basics in R #4)
R programming - ggplot2 legend- examples of how to add, remove, alter the legend
Remove Legend Title from ggplot2 Plot in R (Example) | Delete Text Above Legend | element_blank
R : How to change legend title in ggplot