R language uses edge list to draw standard graph

library(igraph)
g <- sample_gnp(10, 2 / 10)
as_edgelist(g)
plot(g)
V(g)$name <- LETTERS[seq_len(gorder(g))]
plot(g)

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g <- sample_gnp(10, 3 / 10)

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g <- sample_gnp(20, 4 / 20)

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Reference:《Network Analysis and Visualization》

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Origin blog.csdn.net/m0_38127487/article/details/132102910