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Module f2_sketch
polars_
utils
0.55.1
Module f2_
sketch
Module Items
Structs
In crate polars_
utils
polars_utils
Module
f2_
sketch
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F2Sketch
Estimates the second frequency moment F2 = sum_k f_k^2 of a stream of hashed keys, where f_k is the number of times key k was inserted.