前瞻性偏差Look-ahead bias - 简书前瞻性偏差Look-ahead bias. 莫怂关注. 2019.08.21 05:38:14 字数610阅读1,933. 前瞻性偏差是一种偏差，当研究或模拟依赖于在研究期间尚未获得的数据信息时发生。

tw從《QUANTITATIVE TRADING》讀書心得學量化交易入門2020年12月18日 · 因此我們關心的是如何分辨這些交易策略的好壞，以及避免在這過程中犯下一些常見的錯誤，例如存活偏誤（survivorship bias）、前視偏誤（look–ahead ... | 揭秘量化策略中常见的七种错误 - 宽客在线2018年7月11日 · 若考虑进那些破产、退市、表现不佳的股票后，结论则会完全相反，投资高信用风险企业的收益率长期远低于信用稳健的企业。

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