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Measuring player’s behaviour change over time in public goods game

Fattah, Polla; Aickelin, Uwe; Wagner, Christian

Authors

Polla Fattah psxpf1@nottingham.ac.uk

Uwe Aickelin



Abstract

An important issue in public goods game is whether player's behaviour changes over time, and if so, how significant it is. In this game players can be classified into different groups according to the level of their participation in the public good. This problem can be considered as a concept drift problem by asking the amount of change that happens to the clusters of players over a sequence of game rounds. In this study we present a method for measuring changes in clusters with the same items over discrete time points using external clustering validation indices and area under the curve. External clustering indices were originally used to measure the difference between suggested clusters in terms of clustering algorithms and ground truth labels for items provided by experts. Instead of different cluster label comparison, we use these indices to compare between clusters of any two consecutive time points or between the first time point and the remaining time points to measure the difference between clusters through time points. In theory, any external clustering indices can be used to measure changes for any traditional (non-temporal) clustering algorithm, due to the fact that any time point alone is not carrying any temporal information. For the public goods game, our results indicate that the players are changing over time but the change is smooth and relatively constant between any two time points.

Citation

Fattah, P., Aickelin, U., & Wagner, C. (2016). Measuring player’s behaviour change over time in public goods game

Conference Name SAI Intelligent Systems Conference 2016
End Date Sep 22, 2016
Acceptance Date Jan 20, 2016
Publication Date Sep 23, 2016
Deposit Date Oct 20, 2016
Publicly Available Date Oct 20, 2016
Peer Reviewed Peer Reviewed
Keywords clustering; external cluster validity; measuring change over time; temporal data
Public URL http://eprints.nottingham.ac.uk/id/eprint/37670
Publisher URL https://arxiv.org/pdf/1609.02672v1.pdf
Related Public URLs http://saiconference.com/Conferences/IntelliSys2016
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons....main/zero/1.0/legalcode

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/publicdomain/zero/1.0/legalcode





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