Abstract
This paper proposes combination of clustering and rule induction in order to acquire rules which is close to differential diagnosis process. First, characterization sets, which are used for exclusive rules are extracted from a dataset and the similarities among characterization sets are calculated. Next, based on the similarities, agglomerative clustering is applied. Then, according to the dendrogram, the classification labels are reformulated and rules for new labels are obtained. Since the dendrogram gives hierarchical structure of classes, each rule for a new label gives a component of hierarchical rules. Finally, combining hierarchical components, rules for differential diagnosis are obtained. The proposed method was evaluated on a medical database and the experimental results show that induced rules as comparable as previously introduced methods.
S. Tsumoto—This research is supported by Grant-in-Aid for Scientific Research (B) 15H2750 from Japan Society for the Promotion of Science (JSPS).
Notes
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These values are given by medical experts as good thresholds for rules in these three domains.
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Tsumoto, S., Hirano, S. (2017). Induction of Rule for Differential Diagnosis. In: Polkowski, L., et al. Rough Sets. IJCRS 2017. Lecture Notes in Computer Science(), vol 10313. Springer, Cham. https://doi.org/10.1007/978-3-319-60837-2_29
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DOI: https://doi.org/10.1007/978-3-319-60837-2_29
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