[R] How to understand the mentality behind tidyverse and ggplot2?

Ben Tupper btupper @end|ng |rom b|ge|ow@org
Wed Nov 18 19:31:39 CET 2020


I feel your pain.  As you have likely discovered yourself, there are
just about 10^14 tutorials/posts/tips out there on ggplot2.  See
https://rseek.org/?q=+ggplot2+tutorial for example.   Yikes!

One resource I found most helpful when I started is
This is a terrific resource for getting the feel of layering-up.

Hope you find it helpful.


On Wed, Nov 18, 2020 at 12:37 PM C W <tmrsg11 using gmail.com> wrote:
> Dear R list,
> I am an old-school R user. I use apply(), with(), and which() in base
> package instead of filter(), select(), separate() in Tidyverse. The idea of
> pipeline (i.e. %>%) my code was foreign to me for a while. It makes the
> code shorter, but sometimes less readable?
> With ggplot2, I just don't understand how it is organized. Take this code:
> > ggplot(diamonds, aes(x=carat, y=price)) + geom_point(aes(color=cut)) +
> geom_smooth()
> There are three plus signs. How do you know when to "add" and what to
> "add"? I've seen more plus signs.
> To me, aes() stands for aesthetic, meaning looks. So, anything related to
> looks like points and smooth should be in aes(). Apparently, it's not the
> case.
> So, how does ggplot2 work? Could someone explain this for an old-school R
> user?
> Thank you!
>         [[alternative HTML version deleted]]
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Ben Tupper
Bigelow Laboratory for Ocean Science
East Boothbay, Maine

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