Re: [igraph] Beginner in igraph

[Akshata Udyavar]

Is there a specific format of the text file? What would the script for loading the same?

Regards,

Akshata R. Udyavar, M.S
CPBP Graduate Student, Cancer Biology
Vanderbilt University Medical Center
Nashville, TN 37232
Phone : 615 525 7279
Fax: 615-936-1190

On Tue, Feb 8, 2011 at 10:03 AM, Gábor Csárdi <address@hidden> wrote:

On Tue, Feb 8, 2011 at 4:55 PM, Akshata Udyavar
<address@hidden> wrote:
> Hi everyone -
> I am beginning to use igraph to do some analysis on pre-made protein-protein
> interaction networks either from gene _expression_ datasets or public
> databases (from Cytoscape). Is there a way I can import this interactome
> into the igraph and do analysis thereof?

Yes, perhaps look at the read.graph and graph.data.frame functions
first and the tutorial here:
http://igraph.sourceforge.net/igraphbook/

> How many nodes and edges can igraph
> handle?

There is no built-in upper limit, but surely not more than two billion
nodes or edges.
Of course it depends what you want to do with it. Just to load it, a
couple of millions are fine.

Gabor

> Thanks.
>
> Regards,
>
> Akshata R. Udyavar, M.S
> CPBP Graduate Student, Cancer Biology
> Vanderbilt University Medical Center
> Nashville, TN 37232
> Phone : 615 525 7279
> Fax: 615-936-1190
>

> _______________________________________________
> igraph-help mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/igraph-help
>
>



--
Gabor Csardi <address@hidden>     UNIL DGM

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