arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2006.16701cs.LGstat.ML
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层次定性聚类:聚类具有关键定性信息的混合数据集

Hierarchical Qualitative Clustering: clustering mixed datasets with critical qualitative information

INESC TEC;Universidade do Porto(波尔图大学)

Diogo Seca, João Mendes-Moreira, Tiago Mendes-Neves, Ricardo Sousa

摘要:

聚类可以用来从数据中提取洞察力,或者验证领域专家所持有的一些假设,即数据分割。在文献中,很少有方法可以应用于聚类定性值使用与数据中存在的其他变量相关联的上下文,而不会失去可解释性。此外,用于计算定性值之间的相异度的度量对于高维混合数据集通常缩放性较差。在这项研究中,我们提出了一种新的方法聚类定性值,层次聚类(HQC)的基础上,并使用最大均值离散。HQC保持数据集中定性信息的原始可解释性。我们将HQC应用于两个数据集。使用Spotify提供的混合数据集,我们展示了我们的方法如何用于基于数千首歌曲的定量特征对音乐艺术家进行聚类。此外,利用公司的财务特征,我们聚类公司行业,并讨论了投资组合多元化的含义。

英文摘要:

Clustering can be used to extract insights from data or to verify some of the assumptions held by the domain experts, namely data segmentation. In the literature, few methods can be applied in clustering qualitative values using the context associated with other variables present in the data, without losing interpretability. Moreover, the metrics for calculating dissimilarity between qualitative values often scale poorly for high dimensional mixed datasets. In this study, we propose a novel method for clustering qualitative values, based on Hierarchical Clustering (HQC), and using Maximum Mean Discrepancy. HQC maintains the original interpretability of the qualitative information present in the dataset. We apply HQC to two datasets. Using a mixed dataset provided by Spotify, we showcase how our method can be used for clustering music artists based on the quantitative features of thousands of songs. In addition, using financial features of companies, we cluster company industries, and discuss the implications in investment portfolios diversification.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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