Class/Object

org.apache.spark.ml.linalg

DenseVector

Related Docs: object DenseVector | package linalg

Permalink

class DenseVector extends Vector

A dense vector represented by a value array.

Annotations
@Since( "2.0.0" )
Linear Supertypes
Vector, Serializable, Serializable, AnyRef, Any
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. DenseVector
  2. Vector
  3. Serializable
  4. Serializable
  5. AnyRef
  6. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. All

Instance Constructors

  1. new DenseVector(values: Array[Double])

    Permalink
    Annotations
    @Since( "2.0.0" )

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. def apply(i: Int): Double

    Permalink

    Gets the value of the ith element.

    Gets the value of the ith element.

    i

    index

    Definition Classes
    DenseVectorVector
  5. def argmax: Int

    Permalink

    Find the index of a maximal element.

    Find the index of a maximal element. Returns the first maximal element in case of a tie. Returns -1 if vector has length 0.

    Definition Classes
    DenseVectorVector
  6. final def asInstanceOf[T0]: T0

    Permalink
    Definition Classes
    Any
  7. def clone(): AnyRef

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  8. def compressed: Vector

    Permalink

    Returns a vector in either dense or sparse format, whichever uses less storage.

    Returns a vector in either dense or sparse format, whichever uses less storage.

    Definition Classes
    Vector
    Annotations
    @Since( "2.0.0" )
  9. def copy: DenseVector

    Permalink

    Makes a deep copy of this vector.

    Makes a deep copy of this vector.

    Definition Classes
    DenseVectorVector
  10. final def eq(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  11. def equals(other: Any): Boolean

    Permalink
    Definition Classes
    DenseVectorVector → AnyRef → Any
  12. def finalize(): Unit

    Permalink
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  13. def foreachActive(f: (Int, Double) ⇒ Unit): Unit

    Permalink

    Applies a function f to all the active elements of dense and sparse vector.

    Applies a function f to all the active elements of dense and sparse vector.

    f

    the function takes two parameters where the first parameter is the index of the vector with type Int, and the second parameter is the corresponding value with type Double.

    Definition Classes
    DenseVectorVector
  14. final def getClass(): Class[_]

    Permalink
    Definition Classes
    AnyRef → Any
  15. def hashCode(): Int

    Permalink

    Returns a hash code value for the vector.

    Returns a hash code value for the vector. The hash code is based on its size and its first 128 nonzero entries, using a hash algorithm similar to java.util.Arrays.hashCode.

    Definition Classes
    DenseVectorVector → AnyRef → Any
  16. final def isInstanceOf[T0]: Boolean

    Permalink
    Definition Classes
    Any
  17. final def ne(arg0: AnyRef): Boolean

    Permalink
    Definition Classes
    AnyRef
  18. final def notify(): Unit

    Permalink
    Definition Classes
    AnyRef
  19. final def notifyAll(): Unit

    Permalink
    Definition Classes
    AnyRef
  20. def numActives: Int

    Permalink

    Number of active entries.

    Number of active entries. An "active entry" is an element which is explicitly stored, regardless of its value. Note that inactive entries have value 0.

    Definition Classes
    DenseVectorVector
  21. def numNonzeros: Int

    Permalink

    Number of nonzero elements.

    Number of nonzero elements. This scans all active values and count nonzeros.

    Definition Classes
    DenseVectorVector
  22. def size: Int

    Permalink

    Size of the vector.

    Size of the vector.

    Definition Classes
    DenseVectorVector
  23. final def synchronized[T0](arg0: ⇒ T0): T0

    Permalink
    Definition Classes
    AnyRef
  24. def toArray: Array[Double]

    Permalink

    Converts the instance to a double array.

    Converts the instance to a double array.

    Definition Classes
    DenseVectorVector
  25. def toDense: DenseVector

    Permalink

    Converts this vector to a dense vector.

    Converts this vector to a dense vector.

    Definition Classes
    Vector
    Annotations
    @Since( "2.0.0" )
  26. def toSparse: SparseVector

    Permalink

    Converts this vector to a sparse vector with all explicit zeros removed.

    Converts this vector to a sparse vector with all explicit zeros removed.

    Definition Classes
    Vector
    Annotations
    @Since( "2.0.0" )
  27. def toString(): String

    Permalink
    Definition Classes
    DenseVector → AnyRef → Any
  28. val values: Array[Double]

    Permalink
    Annotations
    @Since( "2.0.0" )
  29. final def wait(): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  30. final def wait(arg0: Long, arg1: Int): Unit

    Permalink
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  31. final def wait(arg0: Long): Unit

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

Inherited from Vector

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Members