[KongchangAI]
Unverified50% confidenceOpinionExact time

评估股价预测时,方向准确率和回测收益比 MSE、RMSE 更有意义;一个 RMSE 很低但方向准确率只有 50% 的模型在实盘中无效甚至亏损

1
Sources
50%
Confidence
Long-term
Relevance
9/1/2026
First Seen

Sources

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