Preliminary Analysis of AASHO Road Test Rigid Pavement Data Using Linear Mixed Effects Models
學年 100
學期 2
發表日期 2012-06-29
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.; Lee, Y. H.; Huang, T. C.; Lin, K.
作品所屬單位 淡江大學土木工程學系
出版者 American Society of Civil Engineers
會議名稱 the 9th Asia Pacific Transportation Development Conference
會議地點 Chongqing, China
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 en_US
收錄於
會議性質 國際
校內研討會地點
研討會時間 20120629~20120701
通訊作者 Lee, Y. H.
國別 CHN
公開徵稿 Y
出版型式 紙本
出處 pp.549-557
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