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    Fault mining using peer group analysis

    Weston, David J. and Adams, N.M. and Kim, Y. and Hand, D.J. (2012) Fault mining using peer group analysis. In: Gaul, W.A. and Geyer-Schulz, A. and Schmidt-Thieme, L. and Kunze, J. (eds.) Challenges at the Interface of Data Analysis, Computer Science, and Optimization. Studies in Classification, Data Analysis, and Knowledge Organization. Berlin, Germany: Springer Verlag, pp. 453-461. ISBN 9783642244650.

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    Abstract

    There has been increasing interest in deploying data mining methods for fault detection. For the case where we have potentially large numbers of devices to monitor, we propose to use peer group analysis to identify faults. First, we identify the peer group of each device. This consists of other devices that have behaved similarly. We then monitor the behaviour of a device by measuring how well the peer group tracks the device. Should the device’s behaviour deviate strongly from its peer group we flag the behaviour as an outlier. An outlier is used to indicate the potential occurrence of a fault. A device exhibiting outlier behaviour from its peer group need not be an outlier to the population of devices. Indeed a device exhibiting behaviour typical for the population of devices might deviate sufficiently far from its peer group to be flagged as an outlier. We demonstrate the usefulness of this property for detecting faults by monitoring the data output from a collection of privately run weather stations across the UK.

    Metadata

    Item Type: Book Section
    School: Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences
    Depositing User: Sarah Hall
    Date Deposited: 02 Aug 2013 13:42
    Last Modified: 09 Aug 2023 12:34
    URI: https://eprints.bbk.ac.uk/id/eprint/7961

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