[KongchangAI]
Unverified50% confidenceSolutionExact time

分层采样(stratified sampling)先将用户查询按意图类型分类或通过embedding聚类,再从每个类别按比例或等量采样,比纯随机采样更能确保评估集代表性

1
Sources
50%
Confidence
Long-term
Relevance
8/20/2026
First Seen

Sources

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/779010
API
curl https://kongchang.com/api/v1/knowledge/claims/779010
MCP
get_claim(id=779010)