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- W1997530771 abstract "The concept of a “mutualistic teacher” is introduced for unsupervised learning of the mean vectors of the components of a mixture of multivariate normal densities, when the number of classes is also unknown. The unsupervised learning problem is formulated here as a multi-stage quasi-supervised problem incorporating a cluster approach. The mutualistic teacher creates a quasi-supervised environment at each stage by picking out “mutual pairs” of samples and assigning identical (but unknown) labels to the individuals of each mutual pair. The number of classes, if not specified, can be determined at an intermediate stage. The risk in assigning identical labels to the individuals of mutual pairs is estimated. Results of some simulation studies are presented." @default.
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- W1997530771 date "1979-01-01" @default.
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- W1997530771 title "Learning with a mutualistic teacher" @default.
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- W1997530771 doi "https://doi.org/10.1016/0031-3203(79)90050-5" @default.
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