QuACN (version 1.8.0)

symmetryIndex: Symmetry Index

Description

This method calculates the symmetry index.

Usage

symmetryIndex(g, dist=NULL, deg=NULL)

Arguments

g

a graph as a graphNEL object.

dist

the distance matrix of the graph. Will be automatically calculated if not supplied.

deg

the degree of each node of g. Will be automatically calculated if not supplied.

Value

double-precision floating point value.

References

A. Mowshowitz and M. Dehmer: A Symmetry Index for Graphs. Symmetry: Culture and Science, 21(4):321-327, 2010.

Examples

library(graph)
set.seed(123)
g <- randomEGraph(as.character(1:9), 0.5)

symmetryIndex(g)