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Authors: Lieven Billiet ; Sabine Van Huffel and Vanya Van Belle

Affiliation: KU Leuven, iMinds and Medical Information Technologies, Belgium

ISBN: 978-989-758-173-1

Keyword(s): Sparse Optimization, Interpretability, Scoring Systems.

Related Ontology Subjects/Areas/Topics: Classification ; Feature Selection and Extraction ; Pattern Recognition ; Sparsity ; Theory and Methods

Abstract: Scoring systems have been used since long in medical practice, but often they are based on experience rather than a structural approach. In literature, the interval coded scoring index (ICS) has been introduced as an alternative. It derives a scoring system from data using optimization techniques. This work discusses an extension, ICS*, that takes variable interactions into account. Furthermore, a study is performed to give insight into the new model’s sensitivity to noise, the size of the data set and the number of non-informative variables. The study shows interactions can mostly be discovered robustly, even in the presence of noise and spurious variables. A final validation on two UCI data sets further indicates the quality of the approach.

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Paper citation in several formats:
Billiet, L.; Huffel, S. and Belle, V. (2016). Interval Coded Scoring Index with Interaction Effects - A Sensitivity Study.In Proceedings of the 5th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM, ISBN 978-989-758-173-1, pages 33-40. DOI: 10.5220/0005646500330040

@conference{icpram16,
author={Lieven Billiet. and Sabine Van Huffel. and Vanya Van Belle.},
title={Interval Coded Scoring Index with Interaction Effects - A Sensitivity Study},
booktitle={Proceedings of the 5th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,},
year={2016},
pages={33-40},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005646500330040},
isbn={978-989-758-173-1},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Pattern Recognition Applications and Methods - Volume 1: ICPRAM,
TI - Interval Coded Scoring Index with Interaction Effects - A Sensitivity Study
SN - 978-989-758-173-1
AU - Billiet, L.
AU - Huffel, S.
AU - Belle, V.
PY - 2016
SP - 33
EP - 40
DO - 10.5220/0005646500330040

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