Dimension reduction

Relationship square

In statistics, the relationship square is a graphical representation for use in the factorial analysis of a table individuals x variables. This representation completes classical representations provided by principal component analysis (PCA) or multiple correspondence analysis (MCA), namely those of individuals, of quantitative variables (correlation circle) and of the categories of qualitative variables (at the centroid of the individuals who possess them). It is especially important in factor analysis of mixed data (FAMD) and in multiple factor analysis (MFA). (Wikipedia).

Relationship square
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From playlist skills and foundations

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Related pages

Multiple correspondence analysis | Factor analysis of mixed data | Correlation ratio | Principal component analysis