Model Search With TETRAD II and EQS  

Oleh:

Bentler, Peter M. ; Chih-Ping Chou

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Sociological Methods & Research (SMR) vol. 19 no. 01 (Aug. 1990), page 67-79.
Topik: LISREL; EQS; TETRAD II
Fulltext: BENTLER-67-79 ; Bernard.pdf (1.1MB)

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Perpustakaan PKPM Nomor Panggil: S28 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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The blind, forward-search procedure used by Spirtes, Scheines, and Glymour in their simulation study of computer-aided model specification with EQS does not represent a procedure that is recommended for use in practice, nor does it represent a procedure that is actually implemented by researchers in practice. Thus the implication of their results is unclear. Although TETRAD II represents an important development in procedures for searching for structural models that may be consistent with data, its relative performance under varying conditions, especially with much larger models, under other choices of weight and percentage criteria, and under other model structures is not known. The results on three of the nine models used in the simulation cannot be interpreted, because they do not give unique exact representations of the population covariance matrices: Alternative "true" models can be specified, and EQS and LISREL may have found these models. The differing output from the two procedures that were used, a set of models in TETRAD ll, and a single model in EQS, does not permit a fair comparison between the methods. Some alternative methods are summarized.

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