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Hierarchical Aggregation Procedures for Interaction Data: A Comment

Author

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  • M A Hirst

    (Department of Geography, University of Western Australia, 6009 Nedlands, Western Australia)

Abstract

The procedure for the hierarchical aggregation of interaction data advocated by Masser and Brown (1975) does not take into account variations in the size of the row and column totals of the interaction matrix during the grouping process. The evaluation of cell entries within the matrix according to the objective function in the proposed aggregation procedure is thereby invalidated. Prior adjustment of the interaction matrix, so that both rows and columns in the resultant matrix sum to the same arbitrary total, effectively overcomes the problem of size effects.

Suggested Citation

  • M A Hirst, 1977. "Hierarchical Aggregation Procedures for Interaction Data: A Comment," Environment and Planning A, , vol. 9(1), pages 99-103, January.
    • Handle: RePEc:sae:envira:v:9:y:1977:i:1:p:99-103
    DOI: 10.1068/a090099
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    Cited by:

    1. Fischer, Manfred M. & Essletzbichler, Jürgen & Gassler, Helmut & Trichtl, Gerhard, 1992. "Telephone Communication Patterns in Austria A Comparison of the IPFP based Graph-Theoretic and the Intramax Approaches," MPRA Paper 77826, University Library of Munich, Germany.

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