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---
title: "Partial Dependence Plots"
type: concept
tags: [interpretability, feature-analysis, ml-ops]
sources: [specialized-model-qa]
last_updated: 2026-04-20
---
## Definition
偏依赖图PDP展示某个特征变化时模型平均预测如何变化用于分析边际效应。
## Use in Model QA
- 验证单调性假设
- 识别非线性阈值
- 检查特征与预测之间的边际关系
## Limitations
- 在强相关特征下可能误导
- 更适合做辅助解释而非唯一依据
## Related Concepts
- [[SHAP Analysis]]
- [[Model Audit]]