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[igraph] infomap.community() unresponsive

From: Alexander Struck
Subject: [igraph] infomap.community() unresponsive
Date: Thu, 13 Sep 2012 18:20:30 +0200

Dear all,

thank you for making the effort of implementing this algorithm. 
It looks suspiciously like a graph size problem but I hope it's not. It does work with vertex count lower than 1000, but a 2500 and a 65000 graph failed. No error message, it just stops and I have to break out using Ctrl+c. (I did let it run for 24h on 65k vertices & 20m edges)
My directed graphs were created from edge lists and I put some e.weights on it when using infomap. 
I tried the C implementation of infomap on the 65k graph and it worked fine.
What kind of information would be helpful here?


my > sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: x86_64-unknown-linux-gnu (64-bit)

 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C              
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
 [7] LC_PAPER=C                 LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C            

attached base packages:
[1] tcltk     stats     graphics  grDevices utils     datasets  methods  
[8] base     

other attached packages:
[1] igraph_0.6-2

my > summary(strings.dirG)
IGRAPH DN-- 891 2518 -- 
attr: name (v/c)


Alexander Struck, M.A.
Institut fuer Bibliotheks- und Informationswissenschaft
Humboldt-Universitaet zu Berlin
Dorotheenstr 26 (108a)
10117 Berlin


tel: +49 30 2093-46192

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