图的 k-核是一个最大子图,其中每个顶点的度至少为 k。一个顶点的核数是 k,如果它属于 k-核但不属于 (k+1)-核。
用法
coreness(graph, mode = c("all", "out", "in"))
参考文献
Vladimir Batagelj, Matjaz Zaversnik: An O(m) Algorithm for Cores Decomposition of Networks, 2002
Seidman S. B. (1983) Network structure and minimum degree, Social Networks, 5, 269–287.
参见
其他 structural.properties: bfs()
, component_distribution()
, connect()
, constraint()
, degree()
, dfs()
, distance_table()
, edge_density()
, feedback_arc_set()
, feedback_vertex_set()
, girth()
, is_acyclic()
, is_dag()
, is_matching()
, k_shortest_paths()
, knn()
, reciprocity()
, subcomponent()
, subgraph()
, topo_sort()
, transitivity()
, unfold_tree()
, which_multiple()
, which_mutual()
作者
Gabor Csardi csardi.gabor@gmail.com