[KongchangAI]
Unverified50% confidenceFactExact time

分层抽样按各类别在总体中的比例进行抽样,确保子集的类别分布与原始数据集一致

1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen

Sources

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/558801
API
curl https://kongchang.com/api/v1/knowledge/claims/558801
MCP
get_claim(id=558801)