Unverified50% confidenceSolutionExact time
Walk-Forward Analysis在滑动窗口内训练，在紧随其后的时间段测试，然后窗口向前滚动，贴近真实交易场景
1
Sources
50%
Confidence
Long-term
Relevance
8/12/2026
First Seen
Sources
金融机器学习模型为何难以评估？核心挑战与避坑指南
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