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评估昼夜节律随时间规律性的潜变量泊松模型AI 解读

Many researchers in biology and medicine have focused on trying to understand biological rhythms and their potential impact on disease. A common biological rhythm is circadian, where the cycle repeats itself every 24 hours. However, a disturbance of the circadian pattern may be indicative of future disease. In this article, we develop new statistical methodology for assessing the degree of disturbance or irregularity in a circadian pattern for count sequences that are…

贝叶斯层次泊松回归：青少年驾驶运动学事件研究AI 解读

Although there is evidence that teenagers are at a high risk of crashes in the early months after licensure, the driving behavior of these teenagers is not well understood. The Naturalistic Teenage Driving Study (NTDS) is the first U.S. study to document continuous driving performance of newly-licensed teenagers during their first 18 months of licensure. Counts of kinematic events such as the number of rapid accelerations are available for each trip, and their incidence…

含误分类的单调有序重复测量建模及成熟过程应用AI 解读

Many longitudinal studies of children are concerned with the modeling of monotonic responses such as growth and sexual maturation. The National Heart, Lung, and Blood Institute Growth and Health Study (NGHS) is a longitudinal study designed to examine the effect of growth and maturation on the development of obesity and related cardiovascular risk factors among black and white adolescent girls. Sexual maturation is measured with an ordinal outcome and is known to be measured…

含误分类的单调有序重复测量模型及成熟过程应用AI 解读

Many longitudinal studies of children are concerned with the modeling of monotonic responses such as growth and sexual maturation. The National Heart, Lung, and Blood Institute Growth and Health Study (NGHS) is a longitudinal study designed to examine the effect of growth and maturation on the development of obesity and related cardiovascular risk factors among black and white adolescent girls. Sexual maturation is measured with an ordinal outcome and is known to be measured…

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健康纵向研究的统计模型AI 解读

Introduction to statistical models for longitudinal observation, James Dwyer and Manning Feinleib Considerations in the design of longitudinal surveys of health, Lester Curtin and Manning Feinleib: PART I: MODELS FOR CONTINUOUS VARIABLES: Linear differential equation models for longitudinal data: Application: blood pressure and relative weight, James Dwyer Unconditional linear models for longitudinal data: Application: lead exposure and cognitive development in infants,…