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'''Multiple factor analysis (MFA)''' is a [[Factorial experiment|factorial]] method<ref name="GreenacreBlasius2006">{{cite book|last1=Greenacre|first1=Michael|last2=Blasius|first2=Jorg|author-link2=Jörg Blasius|title=Multiple Correspondence Analysis and Related Methods|url=
* [[Principal component analysis]] (PCA) when variables are quantitative,
* [[Multiple correspondence analysis]] (MCA) when variables are qualitative,
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