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標題:Preliminary Analysis of AASHO Road Test Rigid Pavement Data Using Linear Mixed-Effects Models
學年100
學期1
出版(發表)日期2012/01/01
作品名稱Preliminary Analysis of AASHO Road Test Rigid Pavement Data Using Linear Mixed-Effects Models
作品名稱(其他語言)
著者Ker, H. W.; Huang, T. C.; Lee, Y. H.; K. Lin
單位淡江大學土木工程學系
出版者American Society of Civil Engineers
著錄名稱、卷期、頁數Sustainable Transportation Systems – Plan, Design, Build, Manage, and Maintain: Proceedings, the 9th Asia Pacific Transportation Development Conference, pp.549-557
摘要Pavement performance data is a very common example of multilevel data. While analyzing this type of data using conventional regression techniques, the normality assumptions with random errors and constant variance were often violated. Because of its hierarchical data structure, multilevel data are often analyzed using Linear Mixed-Effects (LME) models. The exploratory analysis, statistical modeling, and the examination of model-fit of LME models are more complicated than those of standard multiple regressions. A systematic modeling approach using visual-graphical techniques and LME models was proposed and demonstrated using the original AASHO road test rigid pavement data. The proposed LME modeling process including selecting a preliminary mean structure, selecting a random structure, selecting a residual covariance structure, model reduction, and examining the model fit will be further discussed in this paper.
關鍵字
語言英文(美國)
ISBN9780784412299
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