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

Table 8

The FMI of each clustering algorithm.

Dataset		DPC-K-means	DPC	DBSCAN	Spectral Clustering	Affinity Propagation
BBC		0.9225	0.9204	0.5805	0.9172	0.3402
20-newsgroups	4 groups	0.9823	0.9836	0.7930	0.9817	0.3225
	5 groups	0.8864	0.8846	0.6810	0.8831	0.2992
	6 groups	0.8486	0.7700	0.5485	0.6332	0.2593
	7 groups	0.7823	0.7031	0.5415	0.5813	0.2560
	8 groups	0.6535	0.6138	0.3896	0.5468	0.2592
Sports Article		0.7300	0.7298	0.5765	0.6114	0.1653
Asian Religious		0.4802	0.4665	0.4615	0.3833	0.2341
Stack Overflow		0.5512	0.4399	0.4004	0.3816	0.1649
Amazon		0.7192	0.6696	0.7041	0.6892	0.2624