High-Dimensional Text Clustering by Dimensionality Reduction and Improved Density Peak

Table 6

The ARI of each clustering algorithm.

Dataset		DPC-K-means	DPC	DBSCAN	Spectral Clustering	Affinity Propagation
BBC		0.9028	0.9002	0.4651	0.8961	0.1477
20-newsgroups	4 groups	0.9783	0.9781	0.7266	0.9756	0.1492
	5 groups	0.8521	0.8433	0.5993	0.8415	0.1508
	6 groups	0.6721	0.6759	0.4166	0.5130	0.1334
	7 groups	0.6078	0.5858	0.4260	0.4914	0.1480
	8 groups	0.4858	0.4664	0.1389	0.4599	0.1589
Sports Article		0.1941	0	0.0354	0.1906	0.0175
Asian Religious		0.1566	0.0189	0	0.1829	0.1064
Stack Overflow		0	0	0.0386	0	0.0349
Amazon		0	0.0014	0	0	0.0114