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## [igraph] how to "simplify" a graph

**From**: |
Sam Steingold |

**Subject**: |
[igraph] how to "simplify" a graph |

**Date**: |
Mon, 06 Aug 2012 17:12:15 -0400 |

**User-agent**: |
Gnus/5.13 (Gnus v5.13) Emacs/24.1.50 (gnu/linux) |

(no, I am not asking about the simplify function)
I have a directed graph with, say, 100 sources and 100,000 destinations,
and only 5 sources which are also destinations.
I am mostly interested in sources, but the destinations clutter
everything.
I want to "simplify" the graph by dropping all the destinations, but I
want to add a "weighted" link between two sources which have common
destinations.
How do I do that?
thanks!
--
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precise) X 11.0.11103000
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**[igraph] how to "simplify" a graph**,
*Sam Steingold* **<=**