Class | Description |
---|---|
DataToSketch |
This UDF is to build sketches from data.
|
DataToSketch.Final |
Class used to calculate the final pass of an Algebraic sketch operation.
|
DataToSketch.Initial |
Class used to calculate the initial pass of an Algebraic sketch operation.
|
DataToSketch.Intermediate |
Class used to calculate the intermediate pass of an Algebraic sketch operation.
|
GetCdf |
This UDF is to get an approximation to the Cumulative Distribution Function (CDF) of the input stream
given a sketch and a set of split points - an array of m unique, monotonically increasing
float values that divide the real number line into m+1 consecutive disjoint intervals.
|
GetK |
This UDF is to get the parameter K from a given sketch.
|
GetPmf |
This UDF is to get an approximation to the Probability Mass Function (PMF) of the input stream
given a sketch and a set of split points - an array of m unique, monotonically increasing
float values that divide the real number line into m+1 consecutive disjoint intervals.
|
GetQuantile |
This UDF is to get a quantile value from a given sketch.
|
GetQuantiles |
This UDF is to get a list of quantile values from a given sketch and a list of
fractions or a number of evenly spaced intervals.
|
GetRank |
This UDF is to get a normalized rank for a given value from a given sketch.
|
SketchToString |
This UDF is to get a human-readable summary of a given sketch.
|
UnionSketch |
This UDF is to merge sketches.
|
UnionSketch.Final |
Class used to calculate the final pass of an Algebraic union operation.
|
UnionSketch.Initial |
Class used to calculate the initial pass of an Algebraic sketch operation.
|
UnionSketch.Intermediate |
Class used to calculate the intermediate pass of an Algebraic union operation.
|
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