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J. Garry Clifford 《The Historian; a journal of history》2014,76(2):439-440
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The Poisson model typically provides a poor fit to flow data but more complex models are difficult to operationalize, especially with production or attraction constraints. Quasi- and pseudo-likelihood approaches retain the attractive computational features of the Poisson model. A shopping model example suggests the latter approach to be preferable. 相似文献
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