Abstract
Despite the increasing amount of available gene expression data, integrative analysis is still hindered by its high susceptibility to microenvironment fluctuations, resulting in inter-experiment variability known as batch effects. Therefore the development of data integration strategy is now more necessary than ever. Although several normalization algorithms have already been proposed, we believe that an effective model must rely on data migration between schemes. In this paper we apply this approach to a set of microarray data from core needle biopsy of breast cancers spanning different microarray platforms, and demonstrate its effectiveness in data preparation for unsupervised analysis and multiclass classification tasks. We propose a custom tool dedicated to defining the model structure. Additionally, we compare several pipelines of data processing, combining data normalization with different batch effect correction methods.
| Original language | English |
|---|---|
| Title of host publication | Computational Science and Its Applications – ICCSA 2019 - 19th International Conference, 2019, Proceedings |
| Editors | Sanjay Misra, Osvaldo Gervasi, Beniamino Murgante, Elena Stankova, Vladimir Korkhov, Carmelo Torre, Eufemia Tarantino, Ana Maria A.C. Rocha, David Taniar, Bernady O. Apduhan |
| Publisher | Springer Verlag |
| Pages | 602-612 |
| Number of pages | 11 |
| ISBN (Print) | 9783030243074 |
| DOIs | |
| Publication status | Published - 2019 |
| Event | 19th International Conference on Computational Science and Its Applications, ICCSA 2019 - Saint Petersburg, Russian Federation Duration: 1 Jul 2019 → 4 Jul 2019 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 11623 LNCS |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 19th International Conference on Computational Science and Its Applications, ICCSA 2019 |
|---|---|
| Country/Territory | Russian Federation |
| City | Saint Petersburg |
| Period | 1/07/19 → 4/07/19 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- Batch effect
- Data integration
- Multiclass classification
ASJC Scopus subject areas
- Theoretical Computer Science
- General Computer Science
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