Lee SY, Lu B. Case-Deletion Diagnostics for Nonlinear Structural Equation Models.
MULTIVARIATE BEHAVIORAL RESEARCH 2003;
38:375-400. [PMID:
26771224 DOI:
10.1207/s15327906mbr3803_05]
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Abstract
In this article, a case-deletion procedure is proposed to detect influential observations in a nonlinear structural equation model. The key idea is to develop the diagnostic measures based on the conditional expectation of the complete-data log-likelihood function in the EM algorithm. An one-step pseudo approximation is proposed to reduce the computational burden. Building blocks in the diagnostic measures are computed via the observations generated by the MH algorithm. Results from a simulation study and an illustrative real example are presented.
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