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riov
2006 Apr 18
0
scalassoc package
...he x_i is in the
"correct"
Voronoi cell, i.e. the Voronoi cell corresponding with the category
of variable j that i was
in (i.e. for which g_{ijl}=1). This generalizes multidimensional IRT
models, the choice models used for voting data in political science,
the Goodman-Haberman-Gilula-Ritov distance association models, the
Luce-Shepard choice model, and so on, to multivariate/multicategory
data.
It is part of the "Gifi Goes Logistic" project.
The algorithm is based on majorization, starting with multiple
correspondence
analysis, and each iteration does one step of a tru...