7.00.02 - EigenvectorCentrality Arguments - Aster Analytics

Teradata Aster® Analytics Foundation User GuideUpdate 2

Product
Aster Analytics
Release Number
7.00.02
Published
September 2017
Language
English (United States)
Last Update
2018-04-17
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TargetKey
Specifies the names of the target key columns in the edges table. The number and data types of columns must correspond to those of vertex_key.
EdgeWeight
[Optional] Specifies the name of the edges table column that contains the edge weights. The edge weights must be positive values. Default behavior: The graph is unweighted.
Family
[Optional] Specifies the centrality formula:
  • 'eigenvector' (Default)
  • 'katz'
  • 'bonacich'

For descriptions of the centrality formulas, see Centrality Formulas.

Alpha
[Optional] Specifies the alpha value for the Katz or Bonacich centrality formula. Default: 0.85.
Beta
[Optional] Specifies the beta value for the Katz or Bonacich centrality formula. Default: 1 for Katz and 0 for Bonacich.
Directed
[Optional] Specifies whether the graph is directed. Default: 'true'.
MaxIterNum
[Optional] Specifies the maximum number of iterations for the function. Default: 20.
Threshold
[Optional] Specifies the threshold for convergence (the difference of between b k+1 and b k). Default: 0.001.
Accumulate
[Optional] Specifies the names of the input columns to copy to the output table.