Zagreb group index 1

Description

This method calculates the Zagreb group index 1.

Usage

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zagreb1(g, deg = NULL)

Arguments

g

a graph as a graphNEL object.

deg

the degree of each node of g.

Value

This method returns the Zagreb group index 1.

Author(s)

Laurin Mueller

References

M. V. Diudea, I. Gutman, and L. Jantschi, Molecular Topology. Nova Publishing, 2001, New York, NY, USA

Examples

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library(RBGL)
set.seed(123)
g <- randomGraph(1:8, 1:5, 0.36, weights=FALSE)

zagreb1(g)

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