Multicriterial threshold binarization of clustered matrices as exemplified by export sector’s competitiveness of the Subsaharan African economies

Authors

  • Moskovkin VM Belgorod State University, 85 Pobedy St., Belgorod 308036 Russia
  • Casimiro H Director of Scientific and Research Center of Sapiens, Higher Institute of Economics, Finance, Banking and Social Security, Travessa 3L St., Luanda – Angola
  • Ukrainskiy PA Belgorod State University, 85 Pobedy St., Belgorod 308036 Russia
  • Serkina OV Belgorod State University, 85 Pobedy St., Belgorod 308036 Russia
  • Tereliansky PV Lead expert of V.A.Trapeznikov Institute of Control Sciences of The Russian Academy of Sciences, 65 Profsouznaya St., Moscow 117997 Russia

Keywords:

matrix clustering, binary matrix, multicriteria threshold binarization, Trade Competitiveness Map, Sub-Saharan African countries

Abstract

The paper offers the methodology of the matrix clustering consisting of multicriteria threshold binarization of the initial matrix of states of objects and clustering the resulting binary matrix into submatrices with different densities of zero and unit elements. Using hand calculation, the methodology was fine-tuned on the export competitiveness indicators of all the Sub-Saharan African countries for the Fresh Food sector of the Trade Competitiveness Map database. A standard R program was developed to implement this methodology and tested for all 14 export sectors of Sub-Saharan Africa, using the data from the Trade Competitiveness Map database for two sets of criteria. It was proposed to automate the procedure of fixing threshold criteria by using the K-Means clustering algorithm for two clusters consisting of zeros and ones.

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Published

2024-02-26

How to Cite

Moskovkin, V. M., Casimiro, H., Ukrainskiy, P. A., Serkina, O. V., & Tereliansky, P. V. (2024). Multicriterial threshold binarization of clustered matrices as exemplified by export sector’s competitiveness of the Subsaharan African economies. COMPUSOFT: An International Journal of Advanced Computer Technology, 8(12), 3530–3546. Retrieved from https://ijact.in/index.php/j/article/view/550

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Section

Original Research Article

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