Re: [igraph] best method of preserving network interactions in a 2D map?

[Gábor Csárdi]

On Sun, Aug 14, 2011 at 9:35 PM, James T Metz <address@hidden> wrote:
>
> Igraph List,
>
>         Suppose I have a set of interactions e.g., similarities or distances
> where distance = 1 - similarity
> for a set of nodes.  I can read in those interactions, generate a network
> and output the 2D coordinates.
>
>         Suppose I would like to preserve the input similarities (or
> distances) as much as possible so that
> if I computed the Euclidean distances from the resulting network 2D
> coordinates, I would get an excellent
> agreement with the original input distances (similar to multidimensional
> scaling).
>
>         Is this possible using the igraph package?  If so, what functions
> and options should be used.

If you use R, then you don't need igraph for this, see the cmdscale() function.

Gabor

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-- 
Gabor Csardi <address@hidden>     MTA KFKI RMKI