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Talk:Exploratory factor analysis

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plagiarism

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section 2.5 is plagiarized from the paper Courtney, Matthew Gordon Ray, and Matthew Gordon. "Determining the number of factors to retain in EFA: Using the SPSS R-Menu v2. 0 to make more judicious estimations." Practical assessment, research & evaluation 18.8 (2013): 60. — Preceding unsigned comment added by 173.73.196.26 (talk) 21:41, 14 May 2018 (UTC)[reply]

Rotation methods

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I have edited the sections on rotation methods, including some information from the factor analysis page. The section on oblique rotation needs more explanation of the differences between the different oblique rotation methods. The section on unrotated solution needs more references explaining the possible existence of a general factor. A question on stackexchange ( https://stats.stackexchange.com/questions/488336/why-is-factor-rotation-always-recommended-though-it-obscures-general-factors ) led to some clarification, but no useful new references. Agnerf (talk) 09:52, 6 October 2020 (UTC)[reply]

Proposed contribution

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I propose this recent paper that presents a comprehensive survey on the important subject of establishing the optimal number of factors in EFA.

Iantovics, Laszlo Barna, Rotar, Corina, Morar, Florica. (2019). Survey on establishing the optimal number of factors in exploratory factor analysis applied to data mining, Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery 9(2), e1294. https://doi.org/10.1002/widm.1294 IntelligentAgent300 (talk) 14:33, 6 June 2021 (UTC)[reply]