sf.apps.sample.to_subgraphs

to_subgraphs(samples, graph)

Converts samples to their subgraph representation.

Input samples are a list of counts that are processed into subgraphs by selecting the nodes where a click occurred.

Example usage:

>>> g = nx.erdos_renyi_graph(5, 0.7)
>>> s = [[1, 1, 1, 1, 1], [1, 1, 0, 1, 1], [0, 0, 0, 0, 0], [1, 0, 0, 0, 1]]
>>> to_subgraphs(s, g)
[[0, 1, 2, 3, 4], [0, 1, 3, 4], [], [0, 4]]

Parameters

• samples (list[list[int]]) – a list of samples, each sample being a list of counts

• graph (nx.Graph) – the input graph

Returns

a list of subgraphs, where each subgraph is represented by a list of its nodes

Return type

list[list[int]]

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