结论:多变量随机系数模型可有效地进行多变量重复观测数据的动态变化趋势分析以及随机效应分析。
CONCLUSION: multivariate random coefficients model can effectively analyze the dynamic change trend and random effects of multivariate repeated measures data in medical research.
基于1959—1970年五个站太阳直射辐射的观测资料对大气浑浊系数的变化作了评价。
Based on data of direct solar radiation observations during the years of 1959-1970 in five locations, the variation in atmospheric turbidity coefficients is estimated.
结果表明:观测期间气溶胶散射系数小时平均值为850。
The results indicate that the mean value of the scattering coefficient was 850.
应用推荐