unstructured covariance

16 papers and 1 presentation; 17 titles.

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Conference ×	Year ×	Title ×	Authors	Extras	Pages
PharmaSUG CN	2026	Handling Missing Data in Analgesia Clinical Trials and Corresponding SAS Implementation	Jingbo Zhu, Jiehan Zhang	source	17
PharmaSUG CN	2024	Implementation on concentration-QTc modeling	Daoqing Li, Deli Cao	source	20
PHUSE EU	2022	Performance Traps in Multiple Imputation Analysis Using Mixed Model Repeated Measures [presentation]	Piotr Karasiewicz	source video	17
PHUSE EU	2019	Mixed Model Repeated Measures (MMRMs)	Mrudula Suryawanshi	source presentation source	19
MWSUG	2018	Tips, Tricks, and Traps on Longitudinal Data Analysis with Discrete and Continuous Times	Brandy R. Sinco, Edith Kieffer, Michael S. Spencer, Gray Ficker, Gretchen Piatt		20
SGF	2015	The %ic_mixed Macro: A SAS Macro to Produce Sorted Information Criteria (AIC and BIC) List for PROC MIXED for Model Selection	Qinlei Huang	source	16
SGF	2014	An Intermediate Primer to Estimating Linear Multilevel Models Using SAS PROC MIXED	Bethany A. Bell, Whitney Smiley, Mihaela Ene, Genine L. Blue	source	19
SESUG	2013	An Intermediate Primer to Estimating Linear Multilevel Models Using SAS PROC MIXED	Bethany A. Bell, Whitney Smiley, Mihaela Ene, Phillip R. Sherlock, Genine L. Blue	source	13
PHUSE EU	2013	Using PROC GENMOD to Analyses Ratio to Placebo in Change of Dactylitis	Imgard Hollweck	source presentation source	9
SGF	2011	Repeated Measures Analysis of Correlated Data with Multiple Responses Using SAS	Anbuchelvi Jeyabslasingham, Anpalaki J. Ragavan	source	10
PharmaSUG	2010	Dynamic Determination of Mixed Model Covariance Structures in Double-blind Clinical Trials	Matthew Davis		7
PharmaSUG	2007	Growing Growth Curves Using PROC MIXED and PROC NLMIXED	Jeffrey M. Gossett, Pippa Simpson, Patrick Casey, Leanne Whiteside-Mansell, Robert Bradley, Chan-Hee Jo		10
WUSS	2005	Using Proc Mixed to Model Daytime Log-Cortisol Slopes	Eric Neri, Helena Chmura Kraemer, Arthur M. Noda, Yung Wang	source	4
SUGI	2005	Guidelines for Selecting the Covariance Structure in Mixed Model Analysis	Charles D. Kincaid	source	8
SUGI	2004	Repeated Measures Modeling with PROC MIXED	E. Barry Moser	source	20
SCSUG	2000	Repeated-Measures Analysis and PROC MIXED	Shana Smith, Torsten B. Neilands		17
SUGI	1997	Use of PROC MIXED in the Analysis of Repeated Measures Data from a Clinical Trial in Obsessive Compulsive Disorder	William Bushnell, Martin Steiner	source	6

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