pdf("fontsize.pdf", pointsize = 5)
library(lattice)
splom(iris, sub = "fontsize : 5")
trellis.par.set(grid.pars = list(fontsize = 10))
splom(iris, sub = "fontsize : 10")
trellis.par.set(fontsize = list(text = 15))
splom(iris, sub = "fontsize : 15")
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