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

Hadley Wickham h@w|ckh@m @end|ng |rom gm@||@com
Wed Nov 18 20:37:57 CET 2020

I'd recommend two places to get started:

* https://r4ds.had.co.nz/data-visualisation.html for a quick intro to
ggplot2 (and the rest of the book explains the general tidyverse

* https://ggplot2-book.org for the full details of ggplot2.


On Wed, Nov 18, 2020 at 11:37 AM 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!
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