Artificial Intelligence, Data Science, Machine Learning, Graph, Neo4j.
in this graph. δ(c₁,c1)=1 as every node will belong to its own community. A couple of points to note δ(c₁,c2) will be 1 for every self node pair calculation (cases like i — i, j — j) while Aᵢⱼ will be 0 in such terms if no self-edge exists The summation term includes all possible node pairs,