I don’t know - While I’m not 100% sure I can’t recall anything about that from 
the initial article.

The only thing I can say is that it seems to work fine on my extremely sparse 
graphs…


> On 15 Jan 2015, at 17:52, Nick Eubank <[email protected]> wrote:
> 
> I'm not entirely sure -- I've been having trouble getting infomap to run to 
> completion on a very large network (10 million nodes, 200 million edges), and 
> while trouble shooting found that note in the C documentation and (a) thought 
> it might be an explanation, and (b) was nervous about that note not appearing 
> in the other documentation. I'm running infomap on the giant component now to 
> see if that fixes the problem, but it's not done yet...
> 
> Do you think the note in the C documentation is wrong or out of date? 
> On Thu, Jan 15, 2015 at 12:21 AM Thomas Lin Pedersen <[email protected] 
> <mailto:[email protected]>> wrote:
> Can this be elaborated upon? I use infomap on very sparse graph that both 
> contains unconnected subgraphs as well as zero-degree vertices and haven’t 
> experienced any problems…
> 
> /Thomas
> 
> 
>> On 14 Jan 2015, at 22:22, Gábor Csárdi <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Agreed! https://github.com/igraph/rigraph/issues/59 
>> <https://github.com/igraph/rigraph/issues/59> Gabor
>> 
>> On Wed, Jan 14, 2015 at 3:17 PM, Nick Eubank <[email protected] 
>> <mailto:[email protected]>> wrote:
>> Hi All,
>> 
>> Two quick things:
>>  - the C notes for community_infomap() say infomap can't take isolated 
>> vertices. It might be a good idea to put that note in the python and R 
>> documentation. I only found it after lots of trouble shooting. 
>>  - Does "isolated vertices" mean no vertices of degree zero, or no 
>> disconnected components?
>> 
>> Thanks!
>> 
>> Nick
>> 
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