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Absent ties in social networks, their treatments, and blockmodeling outcomes
Žnidaršič, Anja (Author), Doreian, Patrick (Author), Ferligoj, Anuška (Author)

URLURL - Presentation file, Visit http://www.stat-d.si/mz/mz9.1/znidarsic1.pdf This link opens in a new window

Abstract
An absent tie is one for which we have no information regarding its nature. Absent ties for a network is a set of such ties. This lack of information can be present anywhere in network data and has the potential to compromise the results of all network analytic tools. To assess this impact, we used real networks and based simulations on them by introducing varying amounts of absent ties. They were treated with four treatments of absent ties. Blockmodeling, using structural equivalence, was applied to the known networks and then to every treated network. The results were compared. The amount of absent ties, their treatments, the block structure of a network, and the level of reciprocity all have an effect of the adequacy of the results of blockmodeling. Reconstruction combined with imputation based on modal values was the best overall treatment. However, treatments of absent ties can work for some networks but not others and we recommend treatments of absent ties based on the form of networks.

Language:English
Keywords:socialna omrežja, bločno modeliranje, manjkajoče povezave, social network, blockmodeling, absent ties
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FDV - Faculty of Social Sciences
Year:2012
Number of pages:str. 119-138
Numbering:Vol. 9, no. 2
UDC:303
ISSN on article:1854-0023
COBISS.SI-ID:7094291 Link is opened in a new window
Views:715
Downloads:304
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Record is a part of a journal

Title:Metodološki zvezki
Shortened title:Metodol. zv.
Publisher:Fakulteta za družbene vede
ISSN:1854-0023
COBISS.SI-ID:215795712 This link opens in a new window

Secondary language

Language:Unknown
Keywords:social network, blockmodeling, absent ties

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