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Validation of evolutionary activity metrics for long-term evolutionary dynamics

机译：长期进化动态的进化活动指标验证

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As artificial life systems grow in number and sophistication, it is becoming increasingly important that the field agree on principled metrics for evaluating them. This report describes a series of experiments validating the evolutionary activity statistics developed by Bedau and his colleagues [2, 3, 4]. The work described herein was motivated by a feeling that the 'null hypothesis'---that is, that the evolutionary activity statistics fail to exclude intuitively unlifelike systems from Class 3 dynamics [3]---had not been sufficiently disproved in the existing literature. We conducted a series of experiments applying the statistics to such systems, attempting to 'break' the scheme by measuring Class 3 dynamics in an intuitively unlifelike system. The evolutionary activity measurement scheme has so far proved robust to our attempts to break it, but we believe that this work is still valuable in advancing the validity of the scheme, and that this does not mean the scheme is without shortcomings.
机译：随着人工生命系统的数量和复杂性，现场对评估它们的原则指标达成越来越重要。本报告描述了一系列验证Batau及其同事发展的进化活动统计的实验[2,3,4]。这里描述的工作是通过一种感觉，即“空假设” - 即，进化活动统计没有排除直观地利用3级动态[3] ---在现有的情况下没有被充分丧失文学。我们进行了一系列将统计数据应用于此类系统的实验，试图通过在直观的无穷性系统中测量3类动态来“破坏”方案。到目前为止，进化活动测量方案已经证明我们试图打破它，但我们认为这项工作仍然有价值在推进该计划的有效性方面，这并不意味着该计划没有缺点。

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