Journal
SOFTWAREX
Volume 15, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.softx.2021.100755
Keywords
Decision trees; Area under the ROC curve; Cost-sensitive learning; Imbalanced data
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This paper introduces a novel R package, ImbTreeAUC, for building binary and multiclass decision trees using the area under the ROC curve, which can handle imbalanced data and support cost-sensitive and weight-sensitive learning.
In this paper, we propose a novel R package, named ImbTreeAUC, for building binary and multiclass decision tree using the area under the receiver operating characteristic (ROC) curve. The package provides nonstandard measures to select an optimal split point for an attribute as well as the optimal attribute for splitting through the application of local, semiglobal and global AUC measures. Additionally, ImbTreeAUC can handle imbalanced data, which is a challenging issue in many practical applications. The package supports cost-sensitive learning by defining a misclassification cost matrix and weight-sensitive learning. It accepts all types of attributes, including continuous, ordered and nominal attributes. The package and its code are made freely available. (C) 2021 The Author(s). Published by Elsevier B.V.
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