# NOT RUN {
library(grid)
library(gridExtra)
p1 <- ggplot(mtcars, aes(mpg, wt, colour = factor(cyl))) +
geom_point()
p2 <- ggplot(mtcars, aes(mpg, wt, colour = factor(cyl))) +
geom_point() + facet_wrap( ~ cyl, ncol=2, scales = 'free') +
guides(colour='none') +
theme()
p3 <- ggplot(mtcars, aes(mpg, wt, colour = factor(cyl))) +
geom_point() + facet_grid(. ~ cyl, scales = 'free')
g1 <- ggplotGrob(p1);
g2 <- ggplotGrob(p2);
g3 <- ggplotGrob(p3);
fg1 <- gtable_frame(g1)
fg2 <- gtable_frame(g2)
fg12 <- gtable_frame(gtable_rbind(fg1,fg2), width=unit(2,'null'), height=unit(1,'null'))
fg3 <- gtable_frame(g3, width=unit(1,'null'), height=unit(1,'null'))
grid.newpage()
combined <- gtable_cbind(fg12, fg3)
grid.draw(combined)
# }
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