[BioC] Rgraphviz: adding weight to an edge

[Jeff Gentry]

>  I am using R 2.2.0 with latest releases of bioconductor and other
> packages (especially Rgraphviz). I am interested in drawing weighted
> graphs using Rgraphviz. It works perfectly fine if I change colour
> (color option), labels (label option) of the edge. But if I try to add
> weight (weight option) R exits with "segmentation fault"

Could you please describe in more detail exactly what you're doing
here?  Plotting w/ edge weights in a standard manner works for me here,
but that doesn't mean I'm doing the same thing you are.