Class

org.isarnproject.sketches.udaf

TDigestReduceUDAF

Related Doc: package udaf

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case class TDigestReduceUDAF(deltaV: Double, maxDiscreteV: Int) extends UserDefinedAggregateFunction with Product with Serializable

A UDAF for aggregating (reducing) a column of t-digests. Expected to be created using tdigestReduceUDAF.

deltaV

The delta value to be used by the TDigest objects

maxDiscreteV

The maxDiscrete value to be used by the TDigest objects

Linear Supertypes
Product, Equals, UserDefinedAggregateFunction, Serializable, Serializable, AnyRef, Any
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Inherited
  1. TDigestReduceUDAF
  2. Product
  3. Equals
  4. UserDefinedAggregateFunction
  5. Serializable
  6. Serializable
  7. AnyRef
  8. Any
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Visibility
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Instance Constructors

  1. new TDigestReduceUDAF(deltaV: Double, maxDiscreteV: Int)

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    deltaV

    The delta value to be used by the TDigest objects

    maxDiscreteV

    The maxDiscrete value to be used by the TDigest objects

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. def apply(exprs: Column*): Column

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    Definition Classes
    UserDefinedAggregateFunction
    Annotations
    @varargs()

  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  6. def bufferSchema: StructType

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. def dataType: DataType

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  9. def delta(deltaP: Double): TDigestReduceUDAF

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    customize the delta value to be used by the TDigest object

  10. val deltaV: Double

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    The delta value to be used by the TDigest objects

  11. def deterministic: Boolean

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  12. def distinct(exprs: Column*): Column

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    Definition Classes
    UserDefinedAggregateFunction
    Annotations
    @varargs()

  13. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  14. def evaluate(buf: Row): Any

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  15. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  16. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  17. def initialize(buf: MutableAggregationBuffer): Unit

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  18. def inputSchema: StructType

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  19. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  20. def maxDiscrete(maxDiscreteP: Int): TDigestReduceUDAF

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    customize the maxDiscrete value to be used by the TDigest object

  21. val maxDiscreteV: Int

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    The maxDiscrete value to be used by the TDigest objects

  22. def merge(buf1: MutableAggregationBuffer, buf2: Row): Unit

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  23. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  24. final def notify(): Unit

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    Definition Classes
    AnyRef

  25. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  26. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  27. def update(buf: MutableAggregationBuffer, input: Row): Unit

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    Definition Classes
    TDigestReduceUDAF → UserDefinedAggregateFunction

  28. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  29. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  30. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Product

Inherited from Equals

Inherited from UserDefinedAggregateFunction

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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