Pythagorean Centrality for Data Selection
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This paper provides an overview of the Pythagorean centrality measures, which are the arithmetic, geometric, and harmonic means. Both the evolution of their meaning through history and their geometrical interpretation are outlined. Relevant examples of use cases for each of them are introduced, spanning a variety of areas of knowledge. Their differences and similarities are explored. Finally, the issue of which mean to use in different situations in order to make advantageous predictions is addressed. Keywords: central tendency, Pythagorean means, arithmetic mean, geometric mean, harmonic mean, data selection
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