Evidence is presented to show that the improvement in model performance achieved by the family of maximum-performance spatial-interaction models developed by Openshaw and Connolly (1977) may be explicable solely for statistical reasons and that there is no need for a geographical or behavioural explanation, as was suggested.
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References
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CramerH, 1946Mathematical Methods of Statistics (Princeton University Press, Princeton, NJ)
OpenshawSConnollyC J, 1977“Empirically derived deterrence functions for maximum performance spatial interaction models”Environment and Planning A91067–1079
