A comprehensive survey of clustering algorithms: State-of-the-art machine learning applications, taxonomy, challenges, and future research prospects

AE Ezugwu, AM Ikotun, OO Oyelade… - … Applications of Artificial …, 2022 - Elsevier
Clustering is an essential tool in data mining research and applications. It is the subject of
active research in many fields of study, such as computer science, data science, statistics …

Automatic clustering algorithms: a systematic review and bibliometric analysis of relevant literature

AE Ezugwu, AK Shukla, MB Agbaje… - Neural Computing and …, 2021 - Springer
Cluster analysis is an essential tool in data mining. Several clustering algorithms have been
proposed and implemented, most of which are able to find good quality clustering results …

An extensive comparative study of cluster validity indices

O Arbelaitz, I Gurrutxaga, J Muguerza, JM Pérez… - Pattern recognition, 2013 - Elsevier
The validation of the results obtained by clustering algorithms is a fundamental part of the
clustering process. The most used approaches for cluster validation are based on internal …

A review of electric load classification in smart grid environment

S Yang, C Shen - Renewable and Sustainable Energy Reviews, 2013 - Elsevier
The load data in smart grid contains a lot of valuable knowledge, which is useful for both
electricity producers and consumers. Load classification is an important issue in load data …

From A-to-Z review of clustering validation indices

BA Hassan, NB Tayfor, AA Hassan, AM Ahmed… - Neurocomputing, 2024 - Elsevier
Data clustering involves identifying latent similarities within a dataset and organizing them
into clusters or groups. The outcomes of various clustering algorithms differ as they are …

k-Shape clustering algorithm for building energy usage patterns analysis and forecasting model accuracy improvement

J Yang, C Ning, C Deb, F Zhang, D Cheong, SE Lee… - Energy and …, 2017 - Elsevier
Clustering algorithms have been successfully applied in analyzing building energy
consumption data. It has proven to be an effective technique to identify representative …

A survey of fuzzy clustering validity evaluation methods

HY Wang, JS Wang, G Wang - Information Sciences, 2022 - Elsevier
As an unsupervised learning method, clustering does not need to know prior knowledge of
the datasets in advance. How determining the optimal number of clusters becomes an …

On the linkages between energy and agricultural commodity prices: A dynamic time warping analysis

D Miljkovic, P Vatsa - International Review of Financial Analysis, 2023 - Elsevier
We use dynamic time warping, a non-parametric pattern recognition method, to study
interlinkages between major energy and agricultural commodity prices. Cluster analysis is …

Building stock market resilience through digital transformation: using Google trends to analyze the impact of COVID-19 pandemic

D Ding, C Guan, CML Chan, W Liu - Frontiers of Business Research in …, 2020 - Springer
As the 2019 novel coronavirus disease (COVID-19) pandemic rages globally, its impact has
been felt in the stock markets around the world. Amidst the gloomy economic outlook, certain …

A new validity clustering index-based on finding new centroid positions using the mean of clustered data to determine the optimum number of clusters

AK Abdalameer, M Alswaitti, AA Alsudani… - Expert Systems with …, 2022 - Elsevier
Clustering, an unsupervised pattern classification method, plays an important role in
identifying input dataset structures. It partitions input datasets into clusters or groups where …