结构方程模型及其在生态学中的应用

王酉石, 储诚进

A brief introduction of structural equation model and its application in ecology

WANG You-Shi, CHU Cheng-Jin

表1 结构方程模型与其他多变量统计方法的比较(改自Grace, 2006)

Table 1 Attribute comparisons of SEM with other multivariate methods (Modified from Grace, 2006)

SEM DA RT PCA MR 包含判断模型拟合程度的测量 Includes measures of absolute model fit √ 预先假定变量间因果关系 User can specify majority of relationships √ 包含隐变量 Includes latent variables √ √ 处理测量误差 Address measurement error √ 进行模型整体评价 Allows evaluation of alternative models √ √ 探讨系统内多个变量间关系 Examines networks of relationships √ 模型构建 Model building √ √ √ √ √