Class

org.apache.spark.mllib.tree.model

Node

Related Doc: package model

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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
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Logging, Serializable, Serializable, AnyRef, Any
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  1. Node
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Visibility
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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])

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    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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    AnyRef → Any

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

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    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Any

  5. def clone(): AnyRef

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

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

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    AnyRef

  7. def equals(arg0: Any): Boolean

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    AnyRef → Any

  8. def finalize(): Unit

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

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

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  10. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  11. val id: Int

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    integer node id, from 1

    integer node id, from 1

    Annotations
    @Since( "1.0.0" )

  12. var impurity: Double

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    current node impurity

    current node impurity

    Annotations
    @Since( "1.2.0" )

  13. def initializeLogIfNecessary(isInterpreter: Boolean): Unit

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    Attributes
    protected
    Definition Classes
    Logging

  14. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  15. var isLeaf: Boolean

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    whether the node is a leaf

    whether the node is a leaf

    Annotations
    @Since( "1.0.0" )

  16. def isTraceEnabled(): Boolean

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    Attributes
    protected
    Definition Classes
    Logging

  17. var leftNode: Option[Node]

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    left child

    left child

    Annotations
    @Since( "1.0.0" )

  18. def log: Logger

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    Attributes
    protected
    Definition Classes
    Logging

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

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    Attributes
    protected
    Definition Classes
    Logging

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

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    protected
    Definition Classes
    Logging

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

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    Attributes
    protected
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    Logging

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

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    protected
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    Logging

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

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    Attributes
    protected
    Definition Classes
    Logging

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

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    Attributes
    protected
    Definition Classes
    Logging

  25. def logName: String

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    protected
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    Logging

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

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    protected
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    Logging

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

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    Attributes
    protected
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    Logging

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

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    protected
    Definition Classes
    Logging

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

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    Attributes
    protected
    Definition Classes
    Logging

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

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    Definition Classes
    AnyRef

  31. final def notify(): Unit

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    Definition Classes
    AnyRef

  32. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  33. def predict(features: Vector): Double

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    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" )

  34. var predict: Predict

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    predicted value at the node

    predicted value at the node

    Annotations
    @Since( "1.0.0" )

  35. var rightNode: Option[Node]

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    right child

    right child

    Annotations
    @Since( "1.0.0" )

  36. var split: Option[Split]

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    split to calculate left and right nodes

    split to calculate left and right nodes

    Annotations
    @Since( "1.0.0" )

  37. var stats: Option[InformationGainStats]

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    information gain stats

    information gain stats

    Annotations
    @Since( "1.0.0" )

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

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    Definition Classes
    AnyRef

  39. def toString(): String

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    Definition Classes
    Node → AnyRef → Any

  40. final def wait(): Unit

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    AnyRef
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    @throws( ... )

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

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    @throws( ... )

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

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    @throws( ... )

Inherited from Logging

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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