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Author: Jyhjeng Deng

Affiliation: DaYeh University, Taiwan

Keyword(s): Correspondence Analysis, Fisher’s linear Discriminant function, multivariate categorical data, parallel coordinate plots.

Abstract: In the process of searching classification rules for multivariate categorical data, it is crucial to find a quick start to locate the combination of levels of input and response variables which can contribute to the most correct classification rate for the response variable. Fisher’s linear discriminant function is proposed to select some important input-variable candidates; then, correspondence analysis is used to ascertain that the level of candidates is closely related to the appropriate level of response variable. The closest linkage between input variable and response variables is chosen as the rule for each input-variable candidate. The algorithm is applied to the hospital data of patients whose CT scan diagnosis awaits a decision. The result shows that my algorithm is not only quicker than an exhaustive search but the result is also identical to the optimum solution by exhaustive search in terms of the correct classification rate. The correct classification rate is about 80%. Finally, two parallel coordinate plots of the 20% mistakenly classified data and the corresponding correctly classified data are compared, showing their mutual confounding and explaining why the correct classification rate cannot be further improved. (More)

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Paper citation in several formats:
Deng, J. (2008). MULTIVARIATE TECHNIQUE FOR CLASSIFICATION RULE SEARCHING - Exemplieied by CT Data of Patient. In Proceedings of the Tenth International Conference on Enterprise Information Systems (ICEIS 2008) - Volume 5: CIAS; ISBN 978-989-8111-39-5; ISSN 2184-4992, SciTePress, pages 278-286. DOI: 10.5220/0001723702780286

@conference{cias08,
author={Jyhjeng Deng.},
title={MULTIVARIATE TECHNIQUE FOR CLASSIFICATION RULE SEARCHING - Exemplieied by CT Data of Patient},
booktitle={Proceedings of the Tenth International Conference on Enterprise Information Systems (ICEIS 2008) - Volume 5: CIAS},
year={2008},
pages={278-286},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001723702780286},
isbn={978-989-8111-39-5},
issn={2184-4992},
}

TY - CONF

JO - Proceedings of the Tenth International Conference on Enterprise Information Systems (ICEIS 2008) - Volume 5: CIAS
TI - MULTIVARIATE TECHNIQUE FOR CLASSIFICATION RULE SEARCHING - Exemplieied by CT Data of Patient
SN - 978-989-8111-39-5
IS - 2184-4992
AU - Deng, J.
PY - 2008
SP - 278
EP - 286
DO - 10.5220/0001723702780286
PB - SciTePress