Package brickhouse.udf.sketch

Class Summary

CombinePreviousSketchUDF	UDF for combining two lists or two maps together, across multiple rows, ( in a grouping ), so that state can be store, and we can calculate things like "previous actors"
CombineSketchUDF	UDF to combine two sketch sets, to estimate size of set union.
ConvertToSketchUDF
EstimatedReachUDF	Interpret a list of strings as a sketch_set and return an estimated reach number
HashMD5UDF	Calculate the MD5 hash for a String.
Md5	Calculate md5 of the string
MultiDaySketcherUDAF	XXX Snarfed from multiday counter ...
MultiDaySketcherUDAF.MultiDayAggUDAFEvaluator
SetSimilarityUDF	Compute the Jaccard similarity of two sketch sets.
SketchHashesUDF
SketchSetUDAF	Construct a sketch set by aggregating over a a set of ID's
SketchSetUDAF.SketchSetUDAFEvaluator
UnionSketchSetUDAF
UnionSketchSetUDAF.MergeSketchSetUDAFEvaluator