Hi Gabor,

Many thanks for fixing the bug!

And many thanks for pointing out that I should have used NA rather than
NULL if I wanted to test not using the weight attribute.

Kind regards,

Bob

On Tue, Oct 23, 2012 at 2:04 AM, Gábor Csárdi <[email protected]> wrote:

> Hi Bob,
>
> On Mon, Oct 22, 2012 at 11:28 AM, Bob Pap <[email protected]> wrote:
> [...]
> > alpha.centrality(g, weights = NULL)
> >
> > alpha.centrality(g)
> >
> > I get the same result (according to the help file I should not). When I
> try
>
> The help file says:
>
>  weights: A character scalar that gives the name of the edge attribute
>           to use in the adjacency matrix. If it is ‘NULL’, then the
>           ‘weight’ edge attribute of the graph is used, if there is
>           one. Otherwise, or if it is ‘NA’, then the calculation uses
>           the standard adjacency matrix.
>
> So indeed, the results will be the same.
>
> > alpha.centrality(g, weights = "weight")
> >
> > I get the same plus the error (even though it should not):
> >
> > Warning message:
> >
> > In alpha.centrality.sparse(graph, nodes, alpha, loops, exo, weights,  :
> >
> >   NAs introduced by coercion
>
> This is a bug, thanks for the report, I have already fixed it in the
> development tree.
>
> Best,
> Gabor
>
> [...]
>
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