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Updated: Jun 4, 2025

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在数字心理健康干预中对机器学习预测的最小数据集大小的估计

Kirsten Zantvoort1, Barbara Nacke2, Dennis Görlich3

  • 1Institute of Information Systems, Leuphana University, Lüneburg, Germany. kirsten.zantvoort@leuphana.de.

NPJ digital medicine
|December 18, 2024
PubMed
概括

数字心理健康中的小型数据集 (N≤300) 高估了人工智能 (AI) 的预测能力. 建议最小数据集大小为500-1000以确保可靠的AI模型在这个领域的概括性.

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Regression Toward the Mean01:52

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Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
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