The twin objectives of this study are first, to establish an unbiased statistical framework for interpreting the errors in prediction associated with Wilson's entropy-maximising transportation model and second, to apply the framework to the interpretation of journey-to-work patterns on Merseyside in 1966. The statistical framework centres on various decompositions of the index of information gain, while the empirical work highlights some anomalous trip-making behaviour that seems to be a result of public planning decisions prior to 1966.
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