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Erschienen in: Progress in Artificial Intelligence 1/2019

31.03.2018 | Regular Paper

Gene selection and disease prediction from gene expression data using a two-stage hetero-associative memory

verfasst von: Laura Cleofas-Sánchez, J. Salvador Sánchez, Vicente García

Erschienen in: Progress in Artificial Intelligence | Ausgabe 1/2019

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Abstract

In general, gene expression microarrays consist of a vast number of genes and very few samples, which represents a critical challenge for disease prediction and diagnosis. This paper develops a two-stage algorithm that integrates feature selection and prediction by extending a type of hetero-associative neural networks. In the first level, the algorithm generates the associative memory, whereas the second level picks the most relevant genes. With the purpose of illustrating the applicability and efficiency of the method proposed here, we use four different gene expression microarray databases and compare their classification performance against that of other renowned classifiers built on the whole (original) feature (gene) space. The experimental results show that the two-stage hetero-associative memory is quite competitive with standard classification models regarding the overall accuracy, sensitivity and specificity. In addition, it also produces a significant decrease in computational efforts and an increase in the biological interpretability of microarrays because worthless (irrelevant and/or redundant) genes are discarded.

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Metadaten
Titel
Gene selection and disease prediction from gene expression data using a two-stage hetero-associative memory
verfasst von
Laura Cleofas-Sánchez
J. Salvador Sánchez
Vicente García
Publikationsdatum
31.03.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Progress in Artificial Intelligence / Ausgabe 1/2019
Print ISSN: 2192-6352
Elektronische ISSN: 2192-6360
DOI
https://doi.org/10.1007/s13748-018-0148-6

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