pnCentrality: Calculate the PN centrality of a non-valued or valued...

In marbotte/ecolUtil: Utilities for ecological data management and analyses

Description

The PN centrality is a measure of centrality that takes into account the negative ties in a network

Usage

pnCentrality(posit, negat)
pnCentrality_val(posit,negat,fac_beta=max(c(posit,negat))*2)

Arguments

posit	The adjacency matrix representing the positive relationships in a network.
negat	The adjacency matrix representing the negative relationships in a network. Note that the relationships have to be positive (1) in this matrix even though they represents the negative relationships

Details

The formula given for the PN centrality is

PN=(I-\frac{1}{2n-2}A)^{-1}*1

Value

Returns a vector of PN centrality values (the length of the vector corresponds to the number of vertices)

Note

The function for the valued networks is experimental and has not been tested sufficiently with classical example. Use at tour own risk!

Author(s)

Bottin, Marius

References

@articleEverett2014NetworksCN, title=Networks containing negative ties, author=Martin G. Everett and Stephen P. Borgatti, journal=Social Networks, year=2014, volume=38, pages=111-120

Examples

data(mixedTie)
P<-N<-mixedTie
P[P<=0]<-0
N[N>=0]<-0
N<-abs(N)
pnCentrality(P,N)

marbotte/ecolUtil documentation built on May 31, 2019, 11:44 p.m.