library(lattice)
pdf("fontsize.pdf", pointsize = 5)
splom(iris, sub = "pdf:fontsize = 5")
trellis.par.set(grid.pars = list(fontsize = 5))
splom(iris, sub = "grid.pars:fontsize = 5")
trellis.par.set(grid.pars = list(fontsize = 10))
splom(iris, sub = "grid.pars:fontsize = 10")
trellis.par.set(fontsize = list(text = 15))
splom(iris, sub = "grid.pars:fontsize = 15")
dev.off()
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.