Class

org.isarnproject.sketches.udaf

TDigestUDAF

Related Doc: package udaf

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class TDigestUDAF[N] extends UserDefinedAggregateFunction

A UDAF for sketching numeric data with a TDigest. Expected to be created using tdigestUDAF.

N

the expected numeric type of the data; Double, Int, etc

Linear Supertypes
UserDefinedAggregateFunction, Serializable, Serializable, AnyRef, Any
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Inherited
  1. TDigestUDAF
  2. UserDefinedAggregateFunction
  3. Serializable
  4. Serializable
  5. AnyRef
  6. Any
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Visibility
  1. Public
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Instance Constructors

  1. new TDigestUDAF(deltaV: Double, maxDiscreteV: Int)(implicit num: Numeric[N], dataTpe: TDigestUDAFDataType[N])

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    deltaV

    The delta value to be used by the TDigest object

    maxDiscreteV

    The maxDiscrete value to be used by the TDigest object

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
    TDigestUDAF → UserDefinedAggregateFunction

  7. def clone(): AnyRef

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

  8. def copy(deltaV: Double = this.deltaV, maxDiscreteV: Int = this.maxDiscreteV): TDigestUDAF[N]

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  9. def dataType: DataType

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

  10. def delta(deltaP: Double): TDigestUDAF[N]

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    customize the delta value to be used by the TDigest object

  11. val deltaV: Double

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    The delta value to be used by the TDigest object

  12. def deterministic: Boolean

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

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

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    Definition Classes
    UserDefinedAggregateFunction
    Annotations
    @varargs()

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

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    Definition Classes
    AnyRef

  15. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  16. def evaluate(buf: Row): Any

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

  17. def finalize(): Unit

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

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

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    Definition Classes
    AnyRef → Any

  19. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  20. def initialize(buf: MutableAggregationBuffer): Unit

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

  21. def inputSchema: StructType

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

  22. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  23. def maxDiscrete(maxDiscreteP: Int): TDigestUDAF[N]

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    customize the maxDiscrete value to be used by the TDigest object

  24. val maxDiscreteV: Int

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    The maxDiscrete value to be used by the TDigest object

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

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

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

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    Definition Classes
    AnyRef

  27. final def notify(): Unit

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    Definition Classes
    AnyRef

  28. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

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

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    Definition Classes
    AnyRef

  30. def toString(): String

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    Definition Classes
    TDigestUDAF → AnyRef → Any

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

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    Definition Classes
    TDigestUDAF → UserDefinedAggregateFunction

  32. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from UserDefinedAggregateFunction

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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