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Erschienen in:
2015 | OriginalPaper | Buchkapitel
12. Factor Analysis
verfasst von : Wolfgang Karl Härdle, Léopold Simar
Erschienen in: Applied Multivariate Statistical Analysis
Verlag: Springer Berlin Heidelberg
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Abstract
A frequently applied paradigm in analysing data from multivariate observations is to model the relevant information (represented in a multivariate variable X) as coming from a limited number of latent factors. In a survey on household consumption, for example, the consumption levels, X, of p different goods during 1 month could be observed. The variations and covariations of the p components of X throughout the survey might in fact be explained by two or three main social behaviour factors of the household. For instance, a basic desire of comfort or the willingness to achieve a certain social level or other social latent concepts might explain most of the consumption behaviour.