alpha index
Oxford Dictionary of Geography:
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alpha index
ɑ index
In network analysis, the ratio of the actual number of circuits in a network to the maximum possible number of circuits in that network. It is given as:
ɑ =where e = edges, v = vertices, and p = number of graphs or subgraphs. Values range from 0%—no circuits—to 100%—a completely interconnected network.e - v + p 2v - 5
×100
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Oxford Dictionary of Geography
A Dictionary of Geography. Copyright © Susan Mayhew 1992, 1997, 2004. All rights reserved.
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