Unverified50% confidenceFactExact time
对100万个SNP采用0.05显著性阈值进行假设检验预期将产生5万个假阳性
1
Sources
50%
Confidence
Long-term
Relevance
7/5/2026
First Seen
Sources
Related Claims
Unverified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）71% similarUnverified模板匹配的置信度阈值通常取0.8～0.95来判断是否找到目标66% 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).65% similarUnverifiedThe accuracy data in the test has an error margin of approximately ±8–10 percentage points at n=100 sample size (based on a 95% confidence-level binomial confidence interval).65% similar
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