Classification given Probabilities
Converts a matrix in which each row sums to 1 into the nearest matrix of (0,1) indicator variables.
map(Y)
Y |
A matrix (for example a matrix of conditional probabilities in which each row sums to 1). |
A integer vector with one entry for each row of Y, in which the
i-th value is the column index at which the i-th row of
Y attains a maximum.
C. Fraley and A. E. Raftery (2002). Model-based clustering, discriminant analysis, and density estimation. Journal of the American Statistical Association 97:611-631.
C. Fraley, A. E. Raftery, T. B. Murphy and L. Scrucca (2012). mclust Version 4 for R: Normal Mixture Modeling for Model-Based Clustering, Classification, and Density Estimation. Technical Report No. 597, Department of Statistics, University of Washington.
data(nutrimouse) Y = unmap(nutrimouse$diet) map(Y)
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