Quizzed article | REF: H5012 V1

Unsupervised statistical machine learning

Author: Bruno SAUVALLE

Publication date: January 10, 2020, Review date: January 18, 2021 | Lire en français

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    7. Glossary

    Partitioning (clustering)

    Dividing a set of points into subsets (or clusters) of points with similar properties

    Dimensionality reduction

    Representation of a set of vectors belonging to a high-dimensional space by vectors belonging to a lower-dimensional space

    Density estimation

    Estimation of the probability density p(x) such that the training data x 1 ,..,x N and test data can be regarded as random samples following the probability distribution p(x).

    Generative model

    Algorithm generating samples according to an explicitly given or implicitly estimated probability p(x) from training data x 1 ...

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