Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Factor_analysis> ?p ?o }
- Factor_analysis abstract "Factor analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors. For example, it is possible that variations in four observed variables mainly reflect the variations in two unobserved variables. Factor analysis searches for such joint variations in response to unobserved latent variables. The observed variables are modelled as linear combinations of the potential factors, plus "error" terms. The information gained about the interdependencies between observed variables can be used later to reduce the set of variables in a dataset. Computationally this technique is equivalent to low-rank approximation of the matrix of observed variables. Factor analysis originated in psychometrics and is used in behavioral sciences, social sciences, marketing, product management, operations research, and other fields that deal with data sets where there are large numbers of observed variables that are thought to reflect a small number of latent variables.Factor analysis is related to principal component analysis (PCA), but the two are not identical. Latent variable models, including factor analysis, use regression modelling techniques to test hypotheses producing error terms, while PCA is a descriptive statistical technique. There has been significant controversy in the field over the equivalence or otherwise of the two techniques (see exploratory factor analysis versus principal components analysis).".
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- Factor_analysis wikiPageWikiLink Category:Educational_psychology.
- Factor_analysis wikiPageWikiLink Category:Factor_analysis.
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- Factor_analysis wikiPageWikiLink Category:Market_research.
- Factor_analysis wikiPageWikiLink Category:Marketing.
- Factor_analysis wikiPageWikiLink Category:Multivariate_statistics.
- Factor_analysis wikiPageWikiLink Category:Product_management.
- Factor_analysis wikiPageWikiLink Category:Psychometrics.
- Factor_analysis wikiPageWikiLink Charles_Spearman.
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- Factor_analysis wikiPageWikiLink Python_(programming_language).