Is there a documented list of special variables?

[Mauricio]

Regarding variables such as ..density.. and ..count.., are there others?  Is there a list somewhere that identifies/defines them?  Does not seem available on help files.

Thanks

[Martin Bel]

There is some info in the ggplot book:

http://ggplot2.org/book/

I would look up in stackoverflow the rest, or just ask there. For example, there are variables such as the ..PANEL.. that aren´t documented and hadley´s advice is not to use them. 

2014-02-07 12:44 GMT-03:00 Mauricio <Maurici...@yahoo.com>:

Regarding variables such as ..density.. and ..count.., are there others?  Is there a list somewhere that identifies/defines them?  Does not seem available on help files.

Thanks

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[Ista Zahn]

My understanding was that these were created by the various
stat_functions, and are documented there (i.e., in the stat_* help
pages). Or are you talking about something else?

[Mauricio]

Hmm ... interesting.  If I understand you correctly ... then ...

Since the help page for stat_sum indicates its value is a data.frame with additional columns "n" and "prop", that would mean that variables "..n.." and "..prop.." would be available for mapping.

That's great.  Thanks.

[Ista Zahn]

Yes, that is my understanding of how it works. Though I dimly recall
that not all stat_* functions list all the values they return...

Best,
Ista