[KongchangAI]
Unverified50% confidenceFactExact time

理论上可靠的聚类标准误估计通常需要至少30-50个聚类,而该研究仅有19个独立时间单元,样本量相对偏小

1
Sources
50%
Confidence
Long-term
Relevance
9/22/2026
First Seen

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