library(igraph)
G <- erdos.renyi.game(1000, 1/1000) # a random graph

dd1 = degree.distribution(G) 

plot(dd1, xlab = "degree", ylab="frequency") 
abline(h = mean(dd1)) # the mean would be a horizontal line

On Thursday, March 3, 2011 at 4:43 PM, kparamas wrote: 
> Hi,
> 
> I am plotting degree distribution of a graph using the function,
> 
> library(igraph)
> dd1 = degree.distribution(G)
> 
> plot(dd1, xlab = "degree", ylab="frequency")
> 
> I would like to plot the mean of the distribution as a vertical line in the
> attached plot.
> Please let me know how to do this.
> 
> Thanks,
> Kumar http://r.789695.n4.nabble.com/file/n3334375/cdata3_dd.png
> cdata3_dd.png 
> 
> --
> View this message in context: http://r.789695.n4.nabble.com/Plotting-Mean-in-plotting-degree-distribution-tp3334375p3334375.html
> Sent from the R help mailing list archive at Nabble.com.
> 
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