Category Archives: Complexity

… all models are wrong, but some are useful

So said the English statistician George Box with his colleague Norman Draper in his 1987 book Empirical Model Building. I saw him espouse this idea at the Royal Statistical Society in a lecture in the 1980s and the quote is … Continue reading

Posted in Agent-Based Models, Complexity, LUTI models, Urban Models | Leave a comment

Flow, Conflux

“The city is not only a community, it is a conflux. ….The real city, as a center of industry, is a conflux of streams of traffic; as a center of culture, it is conflux of streams of thought.” So wrote … Continue reading

Posted in Complexity, Connectivity, Flows, Information, Interactions, Networks | Leave a comment

The Social Face of Complexity Science

Subtitled “A Festschrift for Professor Peter M. Allen” You may say ‘I don’t read Festschrifts, stuffy old things for a bygone age. Wrong ! Always wrong and you must read this one! Because here is someone who has had a massive … Continue reading

Posted in Complexity, Connectivity, Economies of scale, Emergence, Hierarchy, power laws, Scaling | Leave a comment