Description Usage Arguments Details Value Author(s) References See Also Examples
Computes the Estrada Index given the adjacency matrix of a graph structure.
1 | estradaIndex(A)
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A |
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The Estrada Index is calculated by
EE(λ) = ∑_{j=1}^p \exp(γ_j(λ)),
where γ_1(λ), …,γ_p(λ) are the eigenvalues of A_G^λ.
Estrada index coefficient
Caballe, Adria <a.caballe@sms.ed.ac.uk>, Natalia Bochkina and Claus Mayer.
Estrada, E. (2011). The structure of complex networks. New York: OXFORD University press.
lambdaSelection
for lambda selection approaches.
1 2 3 4 5 6 7 8 | EX1 <- pcorSimulator(nobs = 50, nclusters=2, nnodesxcluster=c(40,30),
pattern="powerLaw")
y <- EX1$y
out3 <- huge(y, method = "mb", lambda = 0.4)
PATH <- out3$path[[1]]
hm <- estradaIndex(PATH)
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