[R] question about SNA in R, thanks!

[Gábor Csárdi]

Weijia

see ?degree for the degree and ?cor for the correlation. E.g.

mixing <- function(g) {
  el <- get.edgelist(g)
  deg <- degree(g)
  cor(deg[el[,1]+1], deg[el[,2]+1])
}

You need to modify the degree() call to take edge direction into account.

Gabor

ps. FYI, there is also an igraph missing list, in case I miss your
messages on R-help and nobody else answers either.

On Fri, Dec 26, 2008 at 5:48 PM, Weijia You <weijiawx at gmail.com> wrote:
> Dear colleagues,
>
> I'm trying to have a look at the Assortative and Disassortative (
> http://en.wikipedia.org/wiki/Assortative_mixing) of the network I have.
> But it seems that the igraph hasn't mentioned that yet.
>
> I have to get the in/out degree of the vertices of each edge and calculate
> the Pearson's Correlation coefficient which seems to be quite a huge task
> for me. :(
>
> So I wonder if anyone had done that before and give me some hints on it?
>
> Thank you in anticipation!
>
> Weijia
>
>        [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Gabor Csardi <Gabor.Csardi at unil.ch>     UNIL DGM