The nodes of same color are belong to the same community. The red edges are edges between different communities.
在 2012年4月5日 下午4:41，Narges Zarrabi <[email protected]>写道： > Hi, > > I am also using the following code, taken from igraph examples ( > http://igraph.sourceforge.net/screenshots2.html#8) , to detect > communities in networks. > Could you please let me know what the nodes color and the red color of the > edges represent in this example? Thanks in advance! > > library(igraph) > g <- read.graph("karate.net", format="pajek") > > cs <- leading.eigenvector.community.step(g) > V(g)$color <- ifelse(cs$membership==0, "lightblue", "green") > > scale <- function(v, a, b) { > v <- v-min(v) ; v <- v/max(v) ; v <- v * (b-a) ; v+a > } > > V(g)$size <- scale(abs(cs$eigenvector), 10, 20) > E(g)$color <- "grey" > E(g)[ V(g)[ color=="lightblue" ] %--% V(g)[ color=="green" ] ]$color <- > "red" > > tkplot(g, layout=layout.kamada.kawai, vertex.label.font=2) > > Regards, > Narges > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > >
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