clustering_tm: Redefined clusering coefficient for two-mode networks

Description Usage Arguments Value Note Author(s) References

Description

This function calculates the two-mode clusering coefficient as proposed by Opsahl (2010).
Note: If you are having problems with this function (i.e., run out of memory or it being slow for simulations), there is a quicker and much more memory efficient c++ function. However, this function is not fully integrated in R, and requires a few extra steps. Send me an email to get the source-code and Windows-compiled files.

Usage

1
clustering_tm(net, subsample=1, seed=NULL)

Arguments

net

A binary or weighted two-mode edgelist

subsample

Whether a only a subset of 4-paths should we used when calculating the measure. This is particularly useful when running out of memory analysing large networks. If it is set to 1, all the 4-paths are analysed. If it set to a value below one, this is roughly the proportion of 4-paths that will be analysed. If it is set to an interger greater than 1, this number of ties that form the first part of a 4-path that will be analysed. Note: The c++ functions are better as they analyse the full network.

seed

If a subset of 4-paths is analysed, by setting this parameter, the results are reproducable.

Value

Returns the outcome of the equation presented in the paper

Note

version 1.0.0, taken, with permission, from package tnet

Author(s)

Tore Opsahl; http://toreopsahl.com

References

Opsahl, T. 2010. Triadic closure in two-mode networks: Redefining the global and local clustering coefficients. arXiv,1006.0887



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