Systems Engineering and Electronics ›› 2025, Vol. 47 ›› Issue (1): 153-163.doi: 10.12305/j.issn.1001-506X.2025.01.16

• Systems Engineering • Previous Articles     Next Articles

Penalized blind Kriging model with mix quantitative and qualitative factors

Dahao CHEN1,2, Zhijun CHENG1,*, Jian ZHONG1, Zhengqiang PAN1   

  1. 1. College of Systems Engineering, National University of Defense Technology, Changsha 410073, China
    2. Unit 92957 of the PLA, Zhoushan 316000, China
  • Received:2022-12-13 Online:2025-01-21 Published:2025-01-25
  • Contact: Zhijun CHENG

Abstract:

Kriging model is a very effective spatial interpolation method, which is widely studied and applied to surrogate models for observation in engineering fields such as geographical science, environmental science and atmospheric science. For high-dimensional observation samples with both quantitative and qualitative factors as input, a penalized blind Kriging (PBK) model with a mix of quantitative and qualitative factors is proposed. On the basis of the PBK model, for the case that the input data contains a mixture of quantitative and qualitative factors, the Gaussian correlation model with a mixture of quantitative and qualitative factors is used to establish the PBK model with mixed factors, and the penalty function is used to select factors for the mean function. The numerical experiments of linear and nonlinear piecewise functions verify that the PBK model with quantitative and qualitative factors has a high accuracy. The results show that the first-order PBK model and the second-order PBK model with limited samples both have less relative root mean square error, normalized root mean squared error, and root mean square percentage error.

Key words: penalized blind Kriging (PBK), quantitative and qualitative factor, Lasso penalty, least angle regression

CLC Number: 

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