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Principal component analysis and explanatory factor analysis

By Ian T. Jolliffe and Byron J. T. Morgan


In this paper we compare and contrast the objectives of principal component analysis and explanatory factor analysis. This is done through consideration of nine examples. Basic theory is presented in appendices. As well as covering the standard material, we also describe a number of recent developments. As an alternative to factor analysis, it is pointed out that in some cases it may be useful to rotate certain principal components if and when that is appropriate

Topics: QA276
Publisher: Sage
Year: 1992
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