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Yuan, Ke-Hai1
Zhang, Zhiyong1
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Yuan, Ke-Hai; Zhang, Zhiyong – Psychometrika, 2012
The paper develops a two-stage robust procedure for structural equation modeling (SEM) and an R package "rsem" to facilitate the use of the procedure by applied researchers. In the first stage, M-estimates of the saturated mean vector and covariance matrix of all variables are obtained. Those corresponding to the substantive variables…
Descriptors: Structural Equation Models, Tests, Federal Aid, Psychometrics