Algorithms
Count-Min Sketch:Approximate Frequencies When Exact Maps Do Not Fit
d × w counters and the min over hashes: over-estimate frequencies on purpose when a HashMap of every key will not fit.
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2 post(s)
d × w counters and the min over hashes: over-estimate frequencies on purpose when a HashMap of every key will not fit.
Read MoreEstimate cardinality with a handful of registers and a harmonic mean — plus-or-minus is the point, not a HashSet of every key.
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