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Authors: Alexander Wurl 1 ; Andreas Falkner 1 ; Alois Haselböck 1 ; Alexandra Mazak 2 and Peter Filzmoser 3

Affiliations: 1 Siemens AG Österreich, Corporate Technology, Vienna and Austria ; 2 JKU, Department of Business Informatics Software Engineering (CDL-MINT) and Austria ; 3 TU Wien, Institute of Statistics and Mathematical Methods in Economics and Austria

Keyword(s): Feature Selection, Variable Redundancy, Hardware Obsolescence Management, Data Analytics.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Business Analytics ; Data Analytics ; Data Engineering ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Statistics Exploratory Data Analysis ; Symbolic Systems

Abstract: A crucial task in the bidding phase of industrial systems is a precise prediction of the number of hardware components of specific types for the proposal of a future project. Linear regression models, trained on data of past projects, are efficient in supporting such decisions. The number of features used by these regression models should be as small as possible, so that determining their quantities generates minimal effort. The fact that training data are often ambiguous, incomplete, and contain outlier makes challenging demands on the robustness of the feature selection methods used. We present a combined feature selection approach: (i) iteratively learn a robust well-fitted statistical model and rule out irrelevant features, (ii) perform redundancy analysis to rule out dispensable features. In a case study from the domain of hardware management in Rail Automation we show that this approach assures robustness in the calculation of hardware components.

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Paper citation in several formats:
Wurl, A.; Falkner, A.; Haselböck, A.; Mazak, A. and Filzmoser, P. (2019). Exploring Robustness in a Combined Feature Selection Approach. In Proceedings of the 8th International Conference on Data Science, Technology and Applications - DATA, ISBN 978-989-758-377-3; ISSN 2184-285X, pages 84-91. DOI: 10.5220/0007924400840091

@conference{data19,
author={Alexander Wurl. and Andreas Falkner. and Alois Haselböck. and Alexandra Mazak. and Peter Filzmoser.},
title={Exploring Robustness in a Combined Feature Selection Approach},
booktitle={Proceedings of the 8th International Conference on Data Science, Technology and Applications - DATA,},
year={2019},
pages={84-91},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007924400840091},
isbn={978-989-758-377-3},
issn={2184-285X},
}

TY - CONF

JO - Proceedings of the 8th International Conference on Data Science, Technology and Applications - DATA,
TI - Exploring Robustness in a Combined Feature Selection Approach
SN - 978-989-758-377-3
IS - 2184-285X
AU - Wurl, A.
AU - Falkner, A.
AU - Haselböck, A.
AU - Mazak, A.
AU - Filzmoser, P.
PY - 2019
SP - 84
EP - 91
DO - 10.5220/0007924400840091

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