## Adding p values and R squared values to a plot using expression()

October 17, 2012

Tags: bquote, expression, figure label, plotmath, superscript

I was fooling around with including a p-value and R2 value on a plot I was putting together, and found myself quickly descending into the world of R graphics esoterica. I wanted to be able to include the values on the fly using values extracted from a linear model summary object, and I wanted to use the proper italics and superscripts for the text. The desired output is shown below. What follows is how I finally generated the plot.

The goal, include the p-value and adjusted R-squared … Continue Reading