Abstract
This article presents the methodology for classifying economic regions with regards to selected factors that characterize a region, such as: the economic structure of the region and share of individual sectors in the economy; employment; the dynamics of the development of individual sectors expressed as an increase or decrease in production value; population density, and the level of occupational safety. Cluster analysis, which is a method of multidimensional statistical analysis available in Statistica software, was used to solve the task. The proposed methodology was used to group Polish voivodeships with regards to the speed of economic development and occupational safety in the construction industry. Data published by the Central Statistical Office was used for this purpose, such as the value of construction and assembly production, the number of people employed in the construction industry, the population of an individual region, and the number of people injured in occupational accidents.
Highlights
On the basis of published indicators of economic development [1,2], it can be stated that individual regions of the world are economically developed to a different extent
The subject of the research is the classification of the set of economic regions V with regards to selected factors that characterize the construction industry regarding aspects of economic development and occupational safety
The grouping can be conducted with regards to various classification criteria, including criteria related to occupational safety in the construction industry
Summary
On the basis of published indicators of economic development [1,2], it can be stated that individual regions of the world are economically developed to a different extent. Based on an analysis of the subject literature, it should be stated that the problem of classifying objects that are described by specific features often occurs in various areas of scientific research Authors of such works use various methods of mathematical statistics, and various supporting tools with regards to this problem. The review of the literature shows that the problem of classifying objects to groups of similar objects occurs in many areas of science Invaluable tools in such studies are methods of multidimensional statistical analyses, including cluster analysis. Based on the review of the literature, no scientific studies were found regarding the classification of economic regions with regards to selected features that characterize the construction industry Such classification may be necessary for conducting research in which knowledge from similar sources is required. This classification is based upon selected factors that characterize the construction industry in a region
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