Journal
INTERNATIONAL JOURNAL OF INFORMATION TECHNOLOGY & DECISION MAKING
Volume 21, Issue 3, Pages 885-910Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219622022500079
Keywords
Data Clustering; data classification; multi-objective optimization; non-dominated sorting genetic algorithm; point of sale data
Categories
Funding
- Ministry of Science and Technology of Taiwan, R.O.C. [106-2221-E-011-106-MY3]
- Center for Cyber-Physical System Innovation from The Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (MOE) in Taiwan
- Charitable Trust Fund [WJY 2020-HR-01]
- Vingroup Joint Stock Company (Vingroup JSC) by Vingroup Innovation Foundation (VINIF) [VINIF.2020.DA19]
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This paper proposes an integrated data analysis framework that combines unsupervised clustering and supervised classification methods for point-of-sale data analysis. The experimental results show that clustering can reveal the hidden structure of retail store sales performance, while classification can identify the major factors affecting sales performance in different groups of retail stores.
Point-of-Sale (POS) data analysis is usually used to explore sales performance in business commence. This manuscript aims to combine unsupervised clustering and supervised classification methods in an integrated data analysis framework to analyze the real-world POS data. Clustering method, which is performed on sales dataset, is used to cluster the stores into several groups. The clustering results, data labels, are then combined with other information in store features dataset as the inputs of the classification model which classifies the clustering labels by using store features dataset. Non-dominated sorting generic algorithm-II (NSGA-II) is applied in the framework to employ the multi-objective of clustering and classification. The experimental case study shows clustering results can reveal the hidden structure of sales performance of retail stores while classification can reveal the major factors that effect to the sales performance under different group of retail stores. The correlations between sales clusters and the store information can be obtained sequentially under a series of data analysis with the proposed framework.
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