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In the next few lines of the output, reliability estimates are given for the level-1 coefficients. This
is an overall or average reliability for each level-1 coefficient across the set of 160 level-2 units
(schools). These estimates are calculated according to Equation 3.59 in Hierarchical Linear
Models, p. 50 and depend on two factors: the degree to which the true underlying parameters vary
from school to school and the precision with which each school's regression equation is estimated.

where 2 / j σ n is the variance of
_
Yj as an estimator of β0 j while 00 τ is the variance of the true means,
β0 j , around the grand mean 00 γ . The error variance 2 / j σ n is dependent on the sample size j n and
varies from level-2 unit to level-2 unit, while 00 τ is constant over level-2 units. Note that in the case of two
groups with the first group having a group size twice that of a second group, the reliability of the mean for
the first group would be twice that of the second group:

HLM新版本在建模多层次和纵向数据方面提供了**的灵活性。HLM功能的亮点包括三个新的进程,处理二进制、计数、序数和多项式(名义)的响应变量,以及连续响应变量的一般理论层次线性模型。
嵌套模型
嵌套模型的横截面数据,如学校教室内学生的项目反应模式。
纵向数据的模型,如在社区内人与人之间在时间点内的项目。
四路交叉分类和嵌套混合
对学生在学校内随时间推移,教师的重复措施,或在中嵌套项目反应,根据原籍国和目的地进行交叉分类。
对同时居住在某一特定地区并参加某一学校的人的重复措施。
相依随机效应的递阶模型
空间相关邻域效应
社交网络互动
LM程序允许连续计数、序数和名义变量和假设结果的期望和一组解释变量的线性组合的函数关系。这种关系是由一个合适的链接函数定义的,例如,身份链接(连续结果)或logit链接(二进制结果)。
HLM大大的扩展了可以被评估的分层模型的范围.它同样提供了比先前版本更大的便利.下面是有关关键新特征和选项的综述。
HLM新版本在建模多层次和纵向数据方面提供了**的灵活性。

When the screen disappears, the level-1 and level-2 descriptive statistics will
automatically be displayed. Pay particular attention to the N column. It is not an
uncommon mistake to forget to sort by the ID variable, which can lead to a lot (or
most) of the data not being processed. Close the Notepad window when done. Use
the Save As option to give it a new name if later use of this file is anticipated. The
file can also be opened by clicking on the Display Stats button.
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