I'm using tuple sketches (specifically the ArrayOfDoublesTupleSketch) to do
some computations, and as part of that, I need to do some set operations. I
need to intersect one tuple sketch with a filtered version (filtered by
tuple value) of another tuple sketch. The intersect operation support is
obvious, and I can use a SketchIterator to step through the entries in a
sketch to find the entries that match my filter condition. My question is,
is there a filter operation already existing in the tuple sketch code that
I'm missing, or do I need to build this "filtered" intersection myself
(probably by modifying the existing sketch intersection operation to pass
in a separate "filter" function similar to the current combiner function).

Will


<http://www.verizonmedia.com>

Will Lauer

Senior Principal Architect, Audience & Advertising Reporting
Data Platforms & Systems Engineering

M 508 561 6427
1908 S. First St
Champaign, IL 61822

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