Given a graph with a numeric attribute on its edges, return a graph which only contains edges where the specified numeric attribute is above (or less-than-or-equal-to) some value. Nodes will not be removed, but may become isolates (not connected to any other node).


Can be used for a variety of purposes, whenever one has a large graph, and wants to get rid of certain edges whose value is outside the range we are interested in. A common use might be to remove all edges whose weight is below a certain threshold, removing weak connections between nodes.

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