The example dataset used by Odysseas E. Moschidis (2009):
Odysseas E. Moschidis
Moschidis, Odysseas E. “A Different Approach to Multiple Correspondence Analysis (MCA) than That of Specific MCA.” Mathématiques et Sciences Humaines / Mathematics and Social Sciences 47, no. 186 (October 15, 2009): 77–88. https://doi.org/10.4000/msh.11091.
# The moschidis example #data(moschidis) #active <- moschidis[, c("E1","E2", "E3")] #id <- moschidis[, c("ID")] # result <- soc.mca(active, identifier = id, Moschidis = FALSE) # Compare output to Moschidis (2009, p. 85) #result$inertia_full # In the analysis of the 'real' data the modality #'E1: 1' with a low mass (fr/Q) has a very high contribution to the fourth axis #result$ctr.mod[, 4] # Using the transformed model suggested by Moschidis (2009) that takes into # account the number of modalities per question in order to balance the # contribution of the modalities #result_trans <- soc.mca(active, identifier = id, Moschidis = TRUE) #result_trans$inertia_full #result_trans$ctr.mod[, 4]
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