نتایج جستجو برای: longitudinal data

تعداد نتایج: 2500390  

2013
Donald Hedeker Robert D. Gibbons WALTER A. SHEWHART Nicholas I. Fisher Iain M. Johnstone Geert Molenberghs Louise M. Ryan David W. Scott Adrian F. M. Smith Jozef L. Teugels Stuart Hunter David G. Kendall

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In many longitudinal studies, nominal and ordinal mixed bivariate responses are measured. In these studies, the aim is to investigate the effects of explanatory variables on these time-related responses. A regression analysis for these types of data must allow for the correlation among responses during the time. To analyze such ordinal-nominal responses, using a proposed weighting approach, an ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی 1392

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Background and Objectives: Preeclampsia is the third leading cause of death in pregnant women. This study was conducted to evaluate the ability of longitudinal hematocrit data to predict preeclampsia and to compare the accuracy in longitudinal and cross-sectional data. Materials and Methods: In a prospective cohort study from October 2010 to July 2011, 650 pregnant women referred to the prenata...

Journal: :Journal of Economic Perspectives 2001

Journal: :Electronic Journal of Statistics 2014

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