A cluster validity evaluation method for dynamically determining the near-optimal number of clusters

X Li, W Liang, X Zhang, S Qing, PC Chang - Soft Computing, 2020 - Springer
Cluster validity evaluation is a hot issue in clustering algorithm research. Aiming at
determining the optimal number of clusters in cluster validity evaluation, this paper proposes …

A new cluster validity index based on the adjustment of within-cluster distance

Q Li, S Yue, Y Wang, M Ding, J Li - IEEE Access, 2020 - ieeexplore.ieee.org
The evaluation on clustering results is an important component of clustering analysis, which
can be conducted by the cluster validity index. However, the performances of most existing …

Sum-of-squares based cluster validity index and significance analysis

Q Zhao, M Xu, P Fränti - International conference on adaptive and natural …, 2009 - Springer
Different clustering algorithms achieve different results with certain data sets because most
clustering algorithms are sensitive to the input parameters and the structure of data sets. The …

A novel cluster validity index based on augmented non-shared nearest neighbors

X Duan, Y Ma, Y Zhou, H Huang, B Wang - Expert Systems with …, 2023 - Elsevier
The true cluster number of the dataset in practical applications is rarely known in advance.
Therefore, it is necessary to use a cluster validity index to evaluate the clustering results and …

Clustering performance analysis using a new correlation-based cluster validity index

N Wiroonsri - Pattern Recognition, 2024 - Elsevier
There are various cluster validity indices used for evaluating clustering results. One of the
main objectives of using these indices is to seek the optimal unknown number of clusters …

[PDF][PDF] A survey on internal validity measure for cluster validation

LJ Deborah, R Baskaran, A Kannan - International Journal of …, 2010 - academia.edu
Data Clustering is a technique of finding similar characteristics among the data set which are
always hidden in nature and grouping them into groups, called as clusters. Different …

A classification of cluster validity indexes based on membership degree and applications

N Xie, L Hu, N Luktarhan, K Zhao - … 24-25, 2011, Proceedings, Part I, 2011 - Springer
With the widely used of data mining and cluster analysis, cluster validation is attracting
increasing attention. In this paper, the concept and development of cluster validation are …

A novel internal validity index based on the cluster centre and the nearest neighbour cluster

S Zhou, Z Xu - Applied soft computing, 2018 - Elsevier
It is crucial to evaluate the clustering quality in cluster analysis. In this paper, a new internal
cluster validity index based on the cluster centre and the nearest neighbour cluster is …

A new separation measure for improving the effectiveness of validity indices

S Yue, JS Wang, T Wu, H Wang - Information Sciences, 2010 - Elsevier
Many validity indices have been proposed for quantitatively assessing the performance of
clustering algorithms. One limitation of existing indices is their lack of generalizability, due to …

Development of an external cluster validity index using probabilistic approach and min-max distance

AK Alok, S Saha, A Ekbal - International Journal of Computer …, 2014 - cspub-ijcisim.org
Validating a given clustering result is a very challenging task in real world. So for this
purpose, several cluster validity indices have been developed in the literature. Cluster …