Computes a hard clustering corresponding to a soft clustering
Computes the hard clustering through the Maximum A Posteriori rule from the matrix of a posteriori probabilities (soft clustering).
matrix with posterior probabilities of each class for each observation (classes in columns, observations in rows).
number of observations.
number of classes.
a matrix of same dimensions as tau. For each observation (row), only zeros except for the column corresponding to the cluster to which the observation is assigned, which value is one.
J.-P. Baudry and G. Celeux
J.-P. Baudry, A. E. Raftery, G. Celeux, K. Lo and R. Gottardo (2010). Combining mixture components for clustering. Journal of Computational and Graphical Statistics, 19(2):332-353.
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set.seed(1) data(Baudry_etal_2010_JCGS_examples) res <- mixmodCombi(ex4.1, nbCluster = 1:8) res@hierarchy[]@proba[1:10,] # Is the matrix of posterior probabilities of each of the combined # classes in the 3-class solution, for the 10 first observations mixmodMap(res@hierarchy[]@proba[1:10,]) # Is the matrix of corresponding class assignments for # the 10 first observations (available as a labels vector: res@hierarchy[]@partition[1:10])
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