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[igraph] Question about exporting community detection results

From: Vivian Huang
Subject: [igraph] Question about exporting community detection results
Date: Tue, 29 May 2018 23:02:30 -0400

Dear all

I used igraph in R to detect communities based on an unweighted unidirectional edge list like the following:

ID1      ID2
1278    2876
3354    9973
5350    6672

The edge list was saved in a CSV file : "I:/network/ Edges 1997 to 1999.csv"

The code I wrote :

dat=read.csv(file.choose("I:/network/ Edges 1997 to 1999.csv"),header=TRUE)

The code worked well.  However, I couldn't figure out how to export the community detection results to a CSV file.   I would like to have a dataset that looks like the following (the third column being the ID of a community that a row belongs to):

ID1      ID2     CommunityID
1278    2876       A
3354    9973       C
5350    6672       A

Thank you for your help in advance!

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