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A modification of Cheng'S method: An alternative Factor Screening method for stochastic simulation models

机译:对Cheng'S方法的改进:随机模拟模型的替代因子筛选方法

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Factor Screening experiments identify those factors with significant effect on a selected output. We propose a modification of Cheng's method as a new factor screening alternative for simulation models whose output has homogeneous variance and can be described by a second-order polynomial function. The performance of the proposed model is compared with several other factor screening alternatives through an empirical evaluation. The results show that the proposed method sustains its efficiency and accuracy as the number of factors or the homogeneous variance increases. However, its accuracy degrades as variance heterogeneity increases.
机译:因子筛选实验确定了对选定输出有重大影响的那些因子。我们提出对Cheng方法的一种改进,作为模拟模型的新因子筛选替代方案,该模拟模型的输出具有均方差,并且可以通过二阶多项式函数来描述。通过经验评估,将提出的模型的性能与其他几种因素筛选方法进行了比较。结果表明,该方法在因子数量或齐次方差增加的情况下仍能保持较高的效率和准确性。但是,其准确性会随着方差异质性的增加而降低。

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