Any adjusted method to eigenvalues (MCA)?

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Laís Vargas Botelho

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Jul 25, 2022, 4:05:55 PM7/25/22

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In multiple correspondence analysis, the indicator matrix and Burt matrix artificially inflate the chi-square distance between the column profiles and the total inertia. Is there any eigenvalues adjust method implemented in the MCA function to deal with this problem? For example, a method that considers only the off-diagonal elements of the Burt matrix?

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Laís

Womble

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Sep 3, 2022, 7:13:40 AM9/3/22

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This is covered extensively in Greenacre's CA in Practice and the alternatives he describes there are covered in his ca package. AFAIK these are not implemented in FactoMineR.