1. 1. 毕业设计（论文）的内容、要求、设计方案、规划等
1.回归模型异方差研究的意义，国内外的研究现状；
2.回归模型异方差研究的主要方法，主要清楚似然比、score检验方法、修正似然比、修正score检验方法；
3.进行数据模拟和实例验证，重点是林业相关实际问题的实例；
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2. 参考文献（不低于12篇）
| [1] | 韦博成，胡跃清. 非线性回归模型相关性和异方差性的检验[J]. 工程数学学报, 1994,(04) . |
| [2] | 韦博成. 加权非线性回归的Score检验及其局部影响分析[J]. 应用概率统计, 1995,(02) . |
| [3] | 陈平,达庆利. 我国农作物受灾及成灾面积的综合预测分析[J]. 应用概率统计, 2000,(03) . |
| [4] | Cook R D and Weisberg S. Diagnostics for heteroscedasticity in regression .Biometrika, 1983, 70 :1-10 . |
| [5] | Tsay R S. Regression models with time series errors .J. Amer. Statist. Assoc, 1984, 79 :118-124 . |
| [6] | Beran J. Statistial methods for data with long-range dependence, statist .Sci, 1992, 7 :404-427 . |
| [7] | Glasbey C A. Nonlinear regression with autoregressive time series errors .Biometrics, 1980, 36 :135-140 . |
| [8] | Guegan D and Pham T D. Power of the score test against bilinear time series models .Statist. Sinica, 1992, 2 :157-169 . |
| [9] | Tsai C L. Score test for the first-order autoregreesive model with heteroscedasticity .Biometrika, 1986, 73 :455-460 . |
| [10] | Garr M M. On the third-order moment structure and dispectral analysis of some bilinear time series .J. Time Series Analysis, 1998, 9 :11-20 . |
| [11] | Chi E M and Reinsel G C. Models for longitudinal data with random effects and AR(l)errors .J. Amer. Stat. Assoc, 1989, 84 :452-459 . |
| [12] | Simonoff J S and Tsai C L. Improved tests for nonconstant variance in regression based on the modified profile likelihood .Appl. Statist, 1994, 43 :357-370 . |
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