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Table 1 The numbers of communities identified at different levels of the Japanese production network using the Infomap method

From: Tie-formation process within the communities of the Japanese production network: application of an exponential random graph model

Level c c r n c
1 209 106 830
2 65,303 60,603 998,267
3 18,271 17,834 61,748
4 1,544 1,539 5,168
5 10 10 24
Total 85,337 80,092 1,066,037
  1. c denotes the total number of communities. The number of irreducible communities, which are communities that do not contain any subcommunities, is denoted by cr. nc denotes the number of firms in irreducible communities