Machine Learning Methods Embedded With Domain Knowledge (Part II): Generalization Risk

被引:0
|
作者
Shang Y. [1 ]
Guo J. [2 ]
Wu W. [1 ]
Su J. [2 ]
Liu W. [2 ]
Zhuang S. [3 ]
Zhou L. [2 ]
机构
[1] State Key Lab of Control and Simulation of Power Systems and Generation Equipments, Tsinghua University, Haidian District, Beijing
[2] China Electric Power Research Institute, Haidian District, Beijing
[3] North China Electric Power University, Changping Distirct, Beijing
关键词
Data driven; Generalization risk; Knowledge guiding; Machine learning; Statistical learning theory;
D O I
10.13334/j.0258-8013.pcsee.190479
中图分类号
学科分类号
摘要
The theoretical achievements of data-driven machine learning models (DDM) were briefly reviewed. Then, the generalization risks of knowledge-guiding & data-driven machine learning model (KDM) in both the local learning space and global learning space were analyzed. The results show that, under certain assumptions, KDM can bound its generalization error in the local learning space approaching probability 1, and bound its generalization error in the global learning space more tightly than the generalization error of DDM with some probability 1-δ. Compared with DDM, KDM is more efficient and robust under the circumstances with limited training samples. © 2019 Chin. Soc. for Elec. Eng.
引用
收藏
页码:4641 / 4649
页数:8
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