features  R Documentation 
These functions measure certain topological features of networks:
network_core()
measures the correlation between a network
and a coreperiphery model with the same dimensions.
network_richclub()
measures the richclub coefficient of a network.
network_factions()
measures the correlation between a network
and a component model with the same dimensions.
If no 'membership' vector is given for the data,
node_kernighanlin()
is used to partition nodes into two groups.
network_modularity()
measures the modularity of a network
based on nodes' membership in defined clusters.
network_smallworld()
measures the smallworld coefficient for one or
twomode networks. Smallworld networks can be highly clustered and yet
have short path lengths.
network_scalefree()
measures the exponent of a fitted
powerlaw distribution. An exponent between 2 and 3 usually indicates
a powerlaw distribution.
network_balance()
measures the structural balance index on
the proportion of balanced triangles,
ranging between 0
if all triangles are imbalanced and
1
if all triangles are balanced.
network_change()
measures the Hamming distance between two or more networks.
network_stability()
measures the Jaccard index of stability between two or more networks.
These network_*()
functions return a single numeric scalar or value.
network_core(.data, membership = NULL)
network_richclub(.data)
network_factions(.data, membership = NULL)
network_modularity(.data, membership = NULL, resolution = 1)
network_smallworld(.data, method = c("omega", "sigma", "SWI"), times = 100)
network_scalefree(.data)
network_balance(.data)
.data 
An object of a

membership 
A vector of partition membership. 
resolution 
A proportion indicating the resolution scale. By default 1. 
method 
There are three smallworld measures implemented:

times 
Integer of number of simulations. 
Modularity measures the difference between the number of ties within each community from the number of ties expected within each community in a random graph with the same degrees, and ranges between 1 and +1. Modularity scores of +1 mean that ties only appear within communities, while 1 would mean that ties only appear between communities. A score of 0 would mean that ties are half within and half between communities, as one would expect in a random graph.
Modularity faces a difficult problem known as the resolution limit (Fortunato and Barthélemy 2007). This problem appears when optimising modularity, particularly with large networks or depending on the degree of interconnectedness, can miss small clusters that 'hide' inside larger clusters. In the extreme case, this can be where they are only connected to the rest of the network through a single tie.
{signnet}
by David Schoch
Borgatti, Stephen P., and Martin G. Everett. 2000. “Models of Core/Periphery Structures.” Social Networks 21(4):375–95. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1016/S03788733(99)000192")}
Murata, Tsuyoshi. 2010. Modularity for Bipartite Networks. In: Memon, N., Xu, J., Hicks, D., Chen, H. (eds) Data Mining for Social Network Data. Annals of Information Systems, Vol 12. Springer, Boston, MA. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1007/9781441962874_7")}
Watts, Duncan J., and Steven H. Strogatz. 1998. “Collective Dynamics of ‘SmallWorld’ Networks.” Nature 393(6684):440–42. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1038/30918")}.
Telesford QK, Joyce KE, Hayasaka S, Burdette JH, Laurienti PJ. 2011. "The ubiquity of smallworld networks". Brain Connectivity 1(5): 367–75. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1089/brain.2011.0038")}.
Neal Zachary P. 2017. "How small is it? Comparing indices of small worldliness". Network Science. 5 (1): 30–44. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1017/nws.2017.5")}.
network_transitivity()
and network_equivalency()
for how clustering is calculated
Other measures:
between_centrality
,
close_centrality
,
closure
,
cohesion()
,
degree_centrality
,
eigenv_centrality
,
heterogeneity
,
hierarchy
,
holes
,
net_diffusion
,
node_diffusion
,
periods
network_core(ison_adolescents)
network_core(ison_southern_women)
network_richclub(ison_adolescents)
network_factions(mpn_elite_mex)
network_factions(ison_southern_women)
network_modularity(ison_adolescents,
node_kernighanlin(ison_adolescents))
network_modularity(ison_southern_women,
node_kernighanlin(ison_southern_women))
network_smallworld(ison_brandes)
network_smallworld(ison_southern_women)
network_scalefree(ison_adolescents)
network_scalefree(generate_scalefree(50, 1.5))
network_scalefree(create_lattice(100))
network_balance(ison_marvel_relationships)
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