23 lines
559 B
Markdown
23 lines
559 B
Markdown
---
|
||
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]] |