[dr_kiszonka]

I am no R expert, but pipes don't seem the most intuitive for ggplot. This is because they would imply that, e.g., ggtitle() %>% geom_point() means that ggtitle() outputs an input for geom_point().

[hadley]

That’s exactly how ggplot (not 2!) worked: https://github.com/hadley/ggplot1