Hi: You were close...
library(ggplot2) m <- mpg # Set the factor labels with plotmath code (note the ==) m$drv <- factor(m$drv, labels = c("sigma[0] == sqrt(2)", "sigma[0] == 2 * sqrt(2)", "sigma[0] == 3 * sqrt(2)")) ggplot(m, aes(x = displ, y = cty)) + geom_point() + facet_grid(. ~ drv, labeller = label_parsed) Dennis On Sat, Feb 22, 2014 at 3:24 AM, Lars Bishop <lars...@gmail.com> wrote: > Hello, > > I would like to show in my facet labels the equivalent in LaTex of > $\sigma_{0}= \sqrt{2}$. I think I'm close below, but not yet as it shows > $(\sigma_{0}, \sqrt{2})$ > > m <- mpg > levels(m$drv) <- c("sigma[0]=sqrt(2)", "sigma[0]=2 * sqrt(2)", "sigma[0]= 3 > * sqrt(2)") > > ggplot(m, aes(x = displ, y = cty)) + geom_point() + > facet_grid(. ~ drv, labeller = label_parsed) > > > Thanks, > Lars. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.