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Thomas Friemel wrote:
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> Dear list members,
> I'm working on the analysis of the hierarchical structure in digraphs and on
> the position (status) of single nodes in it. By doing so, I tried to apply
> Krackhardt's hierarchization index (1994) but couldn't find it in the
> applications I'm familiar with (UCINET, Pajek, VISONE). Could somebody point
> me to a software I can calculate it? But I'm also open for other ideas. If
> there are other indexes for the hierarchy of a network (which are
> implemented in a SNA software) please let me know.
The Krackhardt measures are in the sna library for R
(http://erzuli.ss.uci.edu/R.stuff). The functions you want are
hierarchy(), connectedness(), lubness(), and efficiency().
Hope that helps,
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