Using k-dependence causal forest to mine the most significant dependency relationships among clinical variables for thyroid disease diagnosis

LiMin Wang, FangYuan Cao, ShuangCheng Wang, MingHui Sun and LiYan Dong

PLOS ONE, 2017, vol. 12, issue 8, 1-17

Abstract: Numerous data mining models have been proposed to construct computer-aided medical expert systems. Bayesian network classifiers (BNCs) are more distinct and understandable than other models. To graphically describe the dependency relationships among clinical variables for thyroid disease diagnosis and ensure the rationality of the diagnosis results, the proposed k-dependence causal forest (KCF) model generates a series of submodels in the framework of maximum spanning tree (MST) and demonstrates stronger dependence representation. Friedman test on 12 UCI datasets shows that KCF has classification accuracy advantage over the other state-of-the-art BNCs, such as Naive Bayes, tree augmented Naive Bayes, and k-dependence Bayesian classifier. Our extensive experimental comparison on 4 medical datasets also proves the feasibility and effectiveness of KCF in terms of sensitivity and specificity.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0182070

DOI: 10.1371/journal.pone.0182070

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