Extract node pagerank¶
network
Calculate network node pagerank.
Usage¶
The following are the step's expected inputs and outputs and their specific types.
Step signature
extract_node_pagerank(
targets: list[number],
*weights: list[number],
{
"param": value
}
) -> (pagerank: number)
where the object {"param": value}
is optional in most cases and if present may contain any of the parameters described in the
corresponding section below.
Example¶
Example call (in recipe editor)
extract_node_pagerank(ds.targets, ds.weights) -> (ds.page_rank)
Inputs¶
targets: column:list[number]
A column containing link targets. Source is implied in the index.
*weights: column:list[number]
Outputs¶
pagerank: column:number
Calculates the Google PageRank for the specified vertices.
Parameters¶
* The damping factor may be set between 0 and 1. More information on the original paper here http://infolab.stanford.edu/~backrub/google.html¶
directed: boolean = False
Whether the links are directed or not.
Example parameter values:
false
damping: number
The damping factor (ādā in the original paper).
Range: 0 ⤠damping ⤠1
Example parameter values:
0.55
0.85