Unverified50% confidenceFactExact time
一个随机猜测的模型在单次二元预测中有50%的概率押中
1
Sources
50%
Confidence
Long-term
Relevance
7/21/2026
First Seen
Sources
Related Claims
Unverified在8个模型均随机猜测的假设下，单次二元预测中至少有一个押中的概率约99.6%84% similarUnverifiedWhen a team tests 1,000 combinations of strategy parameters, even if all combinations have zero predictive power, roughly 50 combinations will appear to perform excellently in backtesting purely due to randomness (the multiple comparisons problem).72% similarUnverifiedItaSoRL实验中智能体的内部状态探测准确率仅约50%，等同于随机猜测水平71% similarUnverified在5%显著性水平下测试100个随机因子，期望会有5个看起来显著（多重假设检验问题）70% similarUnverifiedAUC equals the probability that, when one positive sample and one negative sample are randomly drawn from all positive and negative samples respectively, the predicted score of the positive sample is higher than that of the negative sample.70% similar
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