Re: [igraph] A silly question

[Tamás Nepusz]

Use format="ncol"; the NCOL format is similar to the edge list format but it 
also supports weights. 
Note, however, that the NCOL format treats the first two columns as a 
_symbolic_ edge list, which means that the vertex identifiers in the first two 
column will be assigned to the "name" vertex attribute (V(g)$name in R), and 
the vertex ids will be assigned to the vertex names in the order of appearance.

-- 
T.


On Tuesday, 10 April 2012 at 18:43, Ish Rattan wrote:

> 
> I want to read in a digraph from a file with format of one edge per line 
> as:
> tail-vertex head-vertex edge-weight
> 
> I know about read.graph("file", format="edgelist") but what argument is 
> needed to readin the wieghts? I did try the documentation..
> 
> -ishwar
> 
> 
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