医学研究中常会遇到重复观测数据分析的问题。例如，在临床上，定时重复测量患者的某项生理指标，如中毒病人血液中毒物浓度的定时检测；在儿少卫生中，为了研究儿童体格发育情况，定期追踪观察不同喂养方式的婴儿体格发育指标，如身长、坐高、体重等。这类研究对个体的观... Medical research often encounter the problem of repeated observation data analysis. For example, in clinical practice, a certain physiological index of a patient is repeatedly measured regularly, such as timing detection of toxicant concentration in the blood of a poisoning patient. In order to study the physical development of a child, the physical development of infants in different feeding modes is tracked regularly Indicators, such as length, height, weight and so on. Such research on the concept of individual ...