Paolo RedaelliMathematical Annotation in R | Vistat
Want to write mathematical symbols and expressions in R graphics? You can use an R
expression()instead of normal text, e.g.plot(1:10, main = expression(alpha + beta)). Below is a demo that shows you everything about plotting math in R (it was written by the R Core Team; see?plotmathfor details):
demo<span class="p">(</span>plotmath<span class="p">)</span>
