[R] Reformatting data into data frame and plotting it in ggplot2

[hadley wickham]

> just the patch. But again the ggplot manual didn't have an example for
> that. Also, what if I wanted to plot with lines+symbol, do I have to
> use multiple layers? Is it (easily) achievable?

Not yet, but I hope to have that working (automatically) in the next
version.  I'm working on the legend code at the moment, so we'll see
how it goes.

Hadley


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