Sampling methods including over-sampling, under-sampling were taken to make up the shortage caused by the imbalanced data.
采用过抽样、欠抽样技术来弥补数据类别分布不平衡对模型性能的不利影响。
Section 4 introduces several performance measures for evaluating classifier algorithms in the presence of imbalanced data sets.
然后介绍了非平衡类数据下分类算法性能的评价措施。
Experimental results on UCI data sets and dataset of brain glioma show that MIEE improves the classification performance and prediction ability on the imbalanced dataset.
在UCI数据集和大脑胶质瘤数据集上的实验结果表明新算法提高了分类器在不均衡数据集上的分类性能和预报能力。
A method based on Riemannian metric to the classification problem with imbalanced training data was proposed.
本文提出一种基于黎曼度量的训练样本类不平衡问题的分类方法。
A method based on Riemannian metric to the classification problem with imbalanced training data was proposed.
本文提出一种基于黎曼度量的训练样本类不平衡问题的分类方法。
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