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Diagnostics of Variance of the Error in Mixed Effects Linear Models Based on M-estimation |
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| Authors: | Huihui Sun Jinguan Lin |
| Institution: | 1. School of Mathematics and Science, Yancheng Teachers University, Yancheng, Chinasunhuihui12@gmail.com;3. Department of Mathematics, Southeast University, Nanjing, China |
| Abstract: | Fisher scoring method is applied to get M-estimator (robust estimator) of parameters in mixed effects linear models. Then influence curvature is used to study perturbation diagnostics of variance of the error based on M-estimation. The grape sugar data is used to illustrate the results. |
| Keywords: | Influence curvature M-estimation Mixed effects linear model Perturbation diagnostic Variance of the error |