[R] Automatic code diagramming for R?

[Tobias Verbeke]

Ben Bryant wrote:

> Greetings -
> 
> Is anyone aware of an automatic code diagrammer/flow chart creator that
> works for the R language (either a contributed package, or external
> software)?  I need to explain some code structure of a package I'm working
> on to non-R users, and would find it extremely helpful to have such a
> program similar to, for example, Visustin (
> http://www.aivosto.com/visustin.html ).  I can do it "by hand" (possibly
> with the help of the 'diagram' package) but it seems like automated
> capabilities for recognizing nested structures and argument-passing would be
> of good general use to package developers.

When you document your package using Roxygen,
you can generate callgraphs (using the @callGraph
and/or @callGraphPrimitives tags).

The roxygen package homepage can be found at

http://roxygen.org/

and the vignette has an example of a call graph
(and how to generate it).

HTH,
Tobias

> Much appreciated,
> -Ben Bryant
> 
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