【最新】R语言北大多元统计分析 PPT课件教案讲义(附代码数据)图文
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Practical 3: Possible solutionsModel selection on Executive Salary Data – All variables Stepwise Regression in RRecommended Steps – You may copy and paste into R lsalary exper educat bonus numemp assets board age profits internat sales see also “step” function in RThere are many aspects of multiple regression we have not covered. Here are a few:Added variable plotsMulticollinearityVariance Inflation factors VIF (cars library)homoscedasticity non constant error variancenon-linearityTransformationsBox-Cox transformationsPrincipal Component RegressionRecent work on residual plotsBayes regressionOther model selection criteria: Bayes factors, Least Angle Regression, Random Forrest Selection many others.For a very brief “how to do it in R” see for example/stats/rdiagnostics.htmlFor further very practical discussion see1.R in Action (2nd ed) by Robert Kabacoff2.Applied regression analysis and generalized linear models (2nd ed) by John Fox, and3.An R and S-Plus companion to applied regression by John FoxChih-Ling Tsai, Zongwu Cai and Xizhi Wu (1998) The Examination of Residual Plots. Statistica Sinica 8(1998), 445-465Y. Benjamini and Y. Hochberg (1995), Controlling the false discovery rate: A practical and powerful approach to multiple testing, Journal of the Royal Statistical Society, Series B (Methodological), Vol. 57 No. 1, 289 - 300.F. Betz, T. Hothorn, P. Westfall (2010), Multiple Comparisons Using R, CRC Press.Ernst Wit, Edwin van den Heuvel and Jan-Willem Romeijn (2012) ‘All models are wrong...’: an introduction to model uncertainty. Statistica Neerlandica,doi:10.1111/j.1467-9574.2012.00530.xRichard Berk, Lawrence Brown, Andreas Buja, Kai Zhang, and Linda Zhao (2013) Valid post-selection inference. Ann. Statist. Volume 41, Number 2, 802-837.Snijders and Bosker (2012) Multilevel Analysis: An Introduction to Basic and Advanced Multilevel Modeling, second edition. Sage Publishers.Dienes, Z. (2016). How Bayes factors change scientific practice. Journal of Mathematical Psychology. /10.1016/j.jmp.2015.10.003Rouder, J. N., Speckman, P. L., Sun, D., Morey, R. D., & Iverson, G. (2009). Bayesian t tests for accepting and rejecting the null hypothesis. Psychonomic Bulletin & Review, 16(2), 225–237. /10.3758/PBR.16.2.225Wagenmakers, E.-J., Wetzels, R., Borsboom, D., & Van Der Maas, H. L. (2011). Why psychologists must change the way they analyze their data: the case of psi: comment on Bem (2011). Retrieved from /journals/psp/100/3/426//2011/07/model-validation-interpreting-residual.html Model Validation: Interpreting Residual Plots Model Validation: Interpreting Residual PlotsRegression Diagnostics Berkley/~stark/SticiGui/Text/regressionDiagnostics.htm。