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Hi List, I'm following on the discussions regarding the use of exploratory factor analysis with binary data, from nabble: http://www.nabble.com/PCA--for-Binary-data-to11050371.html#a11092127 and i tried using FactorMineR package but unfortunately i have trouble understanding what are the types of the variables which AFDM is suitable for? I guessed from that example in ?AFDM that "n" is for categorical variables and "s" for numerical variables. Am I...