We face the problem of interpreting parts of a dataset as small selections of features. Particularly, we propose a novel masked nonnegative matrix factorization algorithm which is used either to explain data as a composition of interpretable parts (which are actually hidden in them) and to introduce knowledge in the factorization process. Numerical examples prove the effectiveness of the proposed algorithm as a useful tool for Intelligent Data Analysis. © 2014 Springer International Publishing.
CITATION STYLE
Casalino, G., Del Buono, N., & Mencar, C. (2014). Part-based data analysis with masked non-negative matrix factorization. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8584 LNCS, pp. 440–454). Springer Verlag. https://doi.org/10.1007/978-3-319-09153-2_33
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