Questions about MCA:

Question 1 : In order to do a comparative analysis I wish to project the supplementary dataset into the analysis, as illustrative. I would like to show the positions of categories associated with supplementary individuals alongside the active categories of active individuals (by Morten Frederiksen).

Question 1bis. How to compute the positions of supplementary variables for supplementary individuals with SPAD (by Morten Frederiksen).

Answer : see the answer text and the SPAD archived project explaining how to obtain the solution using SPAD.

Erratum

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