R : How to use subscripts in ggplot2 legends [R]

R : Subscript in multiple legends in ggplot2Подробнее

R : Fix legend title when using superscript in more than two lines - R ggplot2Подробнее

R : How to add subscripts to ggplot2 axis.textПодробнее

R : How to superscript a - (minus symbol) in a legend title with qpolot in ggplot2 in RПодробнее

Add Subscript & Superscript to Labels of ggplot2 Facet Plot in R | labeller Argument in facet_wrapПодробнее