Class

org.apache.spark.mllib.tree.model

Node

Related Doc: package model

Permalink

class Node extends Serializable with Logging

:: DeveloperApi :: Node in a decision tree.

About node indexing: Nodes are indexed from 1. Node 1 is the root; nodes 2, 3 are the left, right children. Node index 0 is not used.

Annotations
@Since( "1.0.0" ) @DeveloperApi()
Source
Node.scala
Linear Supertypes
Logging, Serializable, Serializable, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. Node
  2. Logging
  3. Serializable
  4. Serializable
  5. AnyRef
  6. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new Node(id: Int, predict: Predict, impurity: Double, isLeaf: Boolean, split: Option[Split], leftNode: Option[Node], rightNode: Option[Node], stats: Option[InformationGainStats])

    Permalink

    id

    integer node id, from 1

    predict

    predicted value at the node

    impurity

    current node impurity

    isLeaf

    whether the node is a leaf

    split

    split to calculate left and right nodes

    leftNode

    left child

    rightNode

    right child

    stats

    information gain stats

    Annotations
    @Since( "1.2.0" )

Value Members

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

    Permalink
    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Permalink
    Definition Classes
    AnyRef → Any

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

    Permalink
    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any

  5. def clone(): AnyRef

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

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

    Permalink
    Definition Classes
    AnyRef

  7. def equals(arg0: Any): Boolean

    Permalink
    Definition Classes
    AnyRef → Any

  8. def finalize(): Unit

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

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

    Permalink
    Definition Classes
    AnyRef → Any

  10. def hashCode(): Int

    Permalink
    Definition Classes
    AnyRef → Any

  11. val id: Int

    Permalink

    integer node id, from 1

    integer node id, from 1

    Annotations
    @Since( "1.0.0" )

  12. var impurity: Double

    Permalink

    current node impurity

    current node impurity

    Annotations
    @Since( "1.2.0" )

  13. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean = false): Boolean

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  14. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  15. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any

  16. var isLeaf: Boolean

    Permalink

    whether the node is a leaf

    whether the node is a leaf

    Annotations
    @Since( "1.0.0" )

  17. def isTraceEnabled(): Boolean

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  18. var leftNode: Option[Node]

    Permalink

    left child

    left child

    Annotations
    @Since( "1.0.0" )

  19. def log: Logger

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  20. def logDebug(msg: ⇒ String, throwable: Throwable): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  21. def logDebug(msg: ⇒ String): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  22. def logError(msg: ⇒ String, throwable: Throwable): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  23. def logError(msg: ⇒ String): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  24. def logInfo(msg: ⇒ String, throwable: Throwable): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  25. def logInfo(msg: ⇒ String): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  26. def logName: String

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  27. def logTrace(msg: ⇒ String, throwable: Throwable): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  28. def logTrace(msg: ⇒ String): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  29. def logWarning(msg: ⇒ String, throwable: Throwable): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

  30. def logWarning(msg: ⇒ String): Unit

    Permalink
    Attributes
    protected
    Definition Classes
    Logging

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

    Permalink
    Definition Classes
    AnyRef

  32. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef

  33. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef

  34. def predict(features: Vector): Double

    Permalink

    predict value if node is not leaf

    predict value if node is not leaf

    features

    feature value

    returns

    predicted value

    Annotations
    @Since( "1.1.0" )

  35. var predict: Predict

    Permalink

    predicted value at the node

    predicted value at the node

    Annotations
    @Since( "1.0.0" )

  36. var rightNode: Option[Node]

    Permalink

    right child

    right child

    Annotations
    @Since( "1.0.0" )

  37. var split: Option[Split]

    Permalink

    split to calculate left and right nodes

    split to calculate left and right nodes

    Annotations
    @Since( "1.0.0" )

  38. var stats: Option[InformationGainStats]

    Permalink

    information gain stats

    information gain stats

    Annotations
    @Since( "1.0.0" )

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

    Permalink
    Definition Classes
    AnyRef

  40. def toString(): String

    Permalink
    Definition Classes
    Node → AnyRef → Any

  41. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Logging

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped