Robust confirmatory factor analysis based on the forward search algorithm

Aleš Toman ()

Statistical Papers, 2014, vol. 55, issue 1, 233-252

Abstract: A key concept of the forward search algorithm in confirmatory factor analysis is ordering of the data on the basis of observational residuals. These residuals are computed under the proposed model and measure the discrepancy between the observed and predicted response for each unit of the sample. Regression-type factor scores are used to estimate model predictions. Informative forward plots are created for indexing influential observations and to show the dynamics of the estimates throughout the search. The detailed influence of each observation on the model parameters and fit indices is analyzed and a robust model inference is achieved. Real and simulated data sets with known contamination schemes are used to demonstrate the performance of the forward search algorithm. Copyright Springer-Verlag Berlin Heidelberg 2014

Keywords: Confirmatory factor analysis; Robust estimation; Forward search algorithm; Exploratory data analysis; Outlier; Influential observation; 62H25; 62-07; 62-09 (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s00362-013-0525-y

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