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@inproceedings{1863726, author = {Hetlerović, Dušan and Popelínský, Lubomír and Brazdil, P. and Soares, C. and Freaitas, F.}, address = {Rennes}, booktitle = {International Symposium on Intelligent Data Analysis 2022}, doi = {http://dx.doi.org/10.1007/978-3-031-01333-1_12}, editor = {Tassadit Bouadi, Élisa Fromont, Eyke Hüllermeier}, keywords = {Outlier elimination; Metalearning; Average ranking; Reduction of portfolios}, howpublished = {elektronická verze "online"}, language = {eng}, location = {Rennes}, isbn = {978-3-031-01332-4}, pages = {143-156}, publisher = {Springer}, title = {On Usefulness of Outlier Elimination in Classification Tasks}, year = {2022} }
TY - JOUR ID - 1863726 AU - Hetlerović, Dušan - Popelínský, Lubomír - Brazdil, P. - Soares, C. - Freaitas, F. PY - 2022 TI - On Usefulness of Outlier Elimination in Classification Tasks PB - Springer CY - Rennes SN - 9783031013324 KW - Outlier elimination KW - Metalearning KW - Average ranking KW - Reduction of portfolios N2 - Although outlier detection/elimination has been studied before, few comprehensive studies exist on when exactly this technique would be useful as preprocessing in classification tasks. The objective of our study is to fill in this gap. We have performed experiments with 12 various outlier elimination methods and 10 classification algorithms on 50 different datasets. The results were then processed by the proposed reduction method, whose aim is identify the most useful workflows for a given set of tasks (datasets). The reduction method has identified that just three OEMs that are generally useful for the given set of tasks. We have shown that the inclusion of these OEMs is indeed useful, as it leads to lower loss in accuracy and the difference is quite significant (0.5\%) on average. ER -
HETLEROVI$\backslash$'C, Dušan, Lubomír POPELÍNSKÝ, P. BRAZDIL, C. SOARES a F. FREAITAS. On Usefulness of Outlier Elimination in Classification Tasks. Online. In Tassadit Bouadi, Élisa Fromont, Eyke Hüllermeier. \textit{International Symposium on Intelligent Data Analysis 2022}. Rennes: Springer, 2022, s.~143-156. ISBN~978-3-031-01332-4. Dostupné z: https://dx.doi.org/10.1007/978-3-031-01333-1\_{}12.
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