In longitudinal data analysis, homogeneity of variance is a basic assumption.

在纵向数据分析中，模型方差的齐性是一个基本假定。

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Basic end strength and crash energy management performance in longitudinal encounters.

纵向冲撞时，基本的止挡强度和冲撞能量的管理表现。

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It plays role very important in longitudinal strength analysis to calculate hull load.

船体载荷计算对总纵强度分析起着非常重要的作用。

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And what he found was the students who were labeled-- randomly so, but who were labeled-- "fast spurters", their IQ increased significantly over the year and maintained that increase in a longitudinal study.

他发现被标签为-,被随机地标签为“快速迸发“的学生-,智商在一年间有很大增加,而且在长期研究中保持着增加。

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So Dr. Mark Daniel DeBoer, an associate professor of pediatric endocrinology at the University of Virginia School of Medicine, and his colleagues turned to a large database of 10, 700 children in the Early Childhood Longitudinal Survey, Birth Cohort to investigate the relationship between the type of milk children drank and their body mass index (BMI).

CNN: Drinking skim milk may not lower child obesity risk

And of course even when that high minded (and might I say single with no kids) individual committed their principles to action I would want to wait for the longitudinal study to come in before changing my consumption patterns.

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In 2000, as it happened, I was already familiar, in a glancing sort of way, with a longitudinal study that followed the lives of two hundred and sixty-eight men who graduated from Harvard in the years around 1940.

NEWYORKER: Land of the Seven Moles