using Cairo to make your R plot better

Antialias plotting in R using Cairo

before

after

install.packages(c("Cairo"), repos="http://cran.r-project.org" )
library(Cairo)
CairoPNG('new-style.png')
plot(x, y, main='Test plot', pch=21, col='blue', bg='lightblue')
abline(lm(y ~ x), col='red', lwd=2)
dev.off()