- library(igraph)
- gdata<-read.csv("d:/temp/neural.txt", header=TRUE,sep="")
- for (j in 1:2){
- for(i in 1:length(gdata$Node1))
- gdata[i,j]<-gdata[i,j]+1
- }
- write.table(gdata,"d:/temp/neural2.txt")
- gdata2 <- as.matrix(gdata[1:2])
- g <- graph.edgelist(gdata2, directed=T)
- igraph.options(vertex.size=3, vertex.label=NA,edge.arrow.size=0.5,weight=gdata$Weight)
- plot(g,layout=layout.circle)
- plot(g,layout=layout.fruchterman.reingold)
- plot(g,layout=layout.kamada.kawai)
试试其他布局,layout.fruchterman.reingold,layout=layout.kamada.kawai


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