cumulative plot using ggplot2

Question

I\'m learning to use ggplot2 and am looking for the smallest ggplot2 code that reproduces the base::plot result below. I\'ve tried a f

Answer 1

After a couple of years, I've settled on doing:

ggplot(df, aes(as.Date(as.character(date), '%Y%m%d'), cumsum(val))) + geom_line()