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arXiv 2103.14079q-fin.STcs.LG
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用于金融时间序列预测的领域特定概念漂移检测器

Domain Specific Concept Drift Detectors for Predicting Financial Time Series

University of Naples(那不勒斯大学)

Filippo Neri

摘要:

概念漂移检测器允许学习系统在非平稳数据流上保持良好的准确性。金融时间序列是非平稳数据流的一个实例,其概念漂移(市场阶段)对影响全球投资决策非常重要。本文研究了概念漂移检测器在应用于金融时间序列时的表现。一般结果是:a)概念漂移检测器通常比连续学习提高运行时间,b)它们的计算成本通常是甚至基本学习器的学习和预测步骤的一小部分,c)结合它们将操作的学习系统来研究概念漂移检测器是重要的,以及d)概念漂移检测器可以直接应用于原始金融数据的时间序列,而不仅仅应用于模型的精度。此外,该研究介绍了三个简单的概念漂移检测器,适合于金融时间序列,并表明,其中两个可以至少作为最先进的应用时,从最先进的金融时间序列有效。目前已提交模式识别

英文摘要:

Concept drift detectors allow learning systems to maintain good accuracy on non-stationary data streams. Financial time series are an instance of non-stationary data streams whose concept drifts (market phases) are so important to affect investment decisions worldwide. This paper studies how concept drift detectors behave when applied to financial time series. General results are: a) concept drift detectors usually improve the runtime over continuous learning, b) their computational cost is usually a fraction of the learning and prediction steps of even basic learners, c) it is important to study concept drift detectors in combination with the learning systems they will operate with, and d) concept drift detectors can be directly applied to the time series of raw financial data and not only to the model's accuracy one. Moreover, the study introduces three simple concept drift detectors, tailored to financial time series, and shows that two of them can be at least as effective as the most sophisticated ones from the state of the art when applied to financial time series. Currently submitted to Pattern Recognition

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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