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Re: [igraph] Read in dataframe as graph, simplifying network while keep

From: Tamas Nepusz
Subject: Re: [igraph] Read in dataframe as graph, simplifying network while keep edge weights
Date: Tue, 7 May 2019 14:47:30 +0200


simplify() has an argument named edge.attr.comb=... with which you can specify how the edge attributes should be combined when replacing multiple edges with a single one. Type "?attribute.combination" in R for more details.


On Tue, 7 May 2019 at 13:01, Tao ZHAO <address@hidden> wrote:

I have a dataframe with 8 columns, the first two columns creates the edgelist (source and target, undirected). The other columns are edge descriptions, which are important information for my following analysis.

My next step is to simplify the network and perform clustering.  However after simplify(network), I got a graph with only edgelist (2 columns).

I wonder is there an easier way within the package to attach the pairwise edge information to the simplified network. 
Or I have to write a script myself for the mapping.  It would be very helpful for my following analysis. 

Thank you very much! 

Tao Zhao - Postdoctoral fellow

VIB-UGent Center for Plant Systems Biology
Ghent University
Technologiepark-Zwijnaarde 71 - 9052 Ghent - Belgium
Tel. +32(0)9 331 38 23

Genome editing, cutting-edge technology for a sustainable agriculture

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