Hello List, I want to adjust the Watts-Strogatz model in R to add shortcuts without removing (rewiring) the existing edge. Thus i want to preserve the initial small world model and add shortcuts with a specified probability, without self-loops and multiple edges. I have attached a copy of what i want to get. Using the code below i get what is expected alright but it doesn't satisfy the various properties. Eg. it doesn't satisfy, the expected number of shortcuts added being ~ N*k*p for N vertices and k neighbours. I would be very grateful if any one has an R code function that gives the second type of watts model (thus just adding shortcuts and still preserve the initial structure). Thanks for your help.
#I started with the initial model at p=0 library(igraph) wsk2 <- watts.strogatz.game(1, 100, 1, p=0) #Create a binomial matrix of 0's and 1's with a specified probability and then convert to graph bmat2<-matrix(rbinom(100,1,0.1),100,100) ##Source of the problem bgh2<-graph.adjacency(bmat2, mode="undirected") #Add the binomial graph to initial graphs newg2<-simplify(graph.union(wsk2, bgh2))
<<attachment: SmallWord.PNG>>
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