This is a hack that takes an object from the proftools package and slims it down. Basically the callgraph code in proftools included all sorts of R internals nonsense and had no option to reduce it. This code does that, in a pretty aggressive way. Unclear how this could be useful beyond the call.graph.setup routine.
The p object crunched by proftools
The environment agains which p should be reduced.
A new object with the exact same form as p, but with only those functions in e
1 2 3
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.