[R] R Stacked Histogram

[hadley wickham]

> # Unfortunately due to a small bug in the current version of ggplot,
> you need to use
> # jpeg with an e to get jpegs
> ggsave(file = "ggsave_qplot_output.jpeg")
>
> # But I'd recommend using png instead - much better quality
> ggsave(file = "ggsave_qplot_output.png")

Here's a cute illustration of why I prefer png to jpeg:
http://lbrandy.com/blog/2008/10/my-first-and-last-webcomic/

Hadley

-- 
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