Packages

class TDigestArrayAggregator[V] extends TDigestArrayAggregatorBase[Array[V]]

A spark Aggregator for sketching an array of numeric values with an array of t-digests

V

the numeric value type contained in the array

Linear Supertypes
TDigestArrayAggregatorBase[Array[V]], Aggregator[Array[V], Array[TDigest], Array[TDigest]], Serializable, Serializable, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. TDigestArrayAggregator
  2. TDigestArrayAggregatorBase
  3. Aggregator
  4. Serializable
  5. Serializable
  6. AnyRef
  7. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new TDigestArrayAggregator(compression: Double, maxDiscrete: Int)(implicit vnum: ScalarNumeric[V])

    compression

    the t-digest compression parameter.

    maxDiscrete

    maximum number of discrete values to track in PMF mode.

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def bufferEncoder: Encoder[Array[TDigest]]
    Definition Classes
    TDigestArrayAggregatorBase → Aggregator
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  8. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  9. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  10. def finish(td: Array[TDigest]): Array[TDigest]
    Definition Classes
    TDigestArrayAggregatorBase → Aggregator
  11. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  12. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  13. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  14. def merge(td1: Array[TDigest], td2: Array[TDigest]): Array[TDigest]
    Definition Classes
    TDigestArrayAggregatorBase → Aggregator
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  16. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  17. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  18. def outputEncoder: Encoder[Array[TDigest]]
    Definition Classes
    TDigestArrayAggregatorBase → Aggregator
  19. def reduce(tdai: Array[TDigest], data: Array[V]): Array[TDigest]
    Definition Classes
    TDigestArrayAggregator → Aggregator
  20. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  21. def toColumn: TypedColumn[Array[V], Array[TDigest]]
    Definition Classes
    Aggregator
  22. def toString(): String
    Definition Classes
    AnyRef → Any
  23. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  24. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  25. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  26. def zero: Array[TDigest]
    Definition Classes
    TDigestArrayAggregatorBase → Aggregator

Inherited from TDigestArrayAggregatorBase[Array[V]]

Inherited from Aggregator[Array[V], Array[TDigest], Array[TDigest]]

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped