Please use this identifier to cite or link to this item: https://doi.org/10.1109/IEEM.2008.4738165
Title: Kriging model with modified nugget effect for random simulation with heterogeneous variances
Authors: Yin, J.
Ng, S.H. 
Ng, K.M. 
Keywords: Heterogeneous variance
Kriging
Nugget effect
Simulation
Issue Date: 2008
Source: Yin, J., Ng, S.H., Ng, K.M. (2008). Kriging model with modified nugget effect for random simulation with heterogeneous variances. 2008 IEEE International Conference on Industrial Engineering and Engineering Management, IEEM 2008 : 1714-1718. ScholarBank@NUS Repository. https://doi.org/10.1109/IEEM.2008.4738165
Abstract: Random simulation with heterogeneous variance is a common phenomenon in real-world simulation cases. Most of the current meta-models assume homogeneous variances and hence are unable to provide satisfactory estimations of these models. This article presents a new kriging model with modified nugget effect, which accounts for heterogeneous variances in simulations. The new model can reduce the influence of noise with heterogeneous variance by incorporating local variance information into the model. A theoretical explanation and numerical experiment will be shown to provide clear illustration of this new modified model. © 2008 IEEE.
Source Title: 2008 IEEE International Conference on Industrial Engineering and Engineering Management, IEEM 2008
URI: http://scholarbank.nus.edu.sg/handle/10635/72343
ISBN: 9781424426300
DOI: 10.1109/IEEM.2008.4738165
Appears in Collections:Staff Publications

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