MatrixUtils

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final def !=(arg0: Any): Boolean

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final def ##(): Int

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final def ==(arg0: Any): Boolean

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def addMatrices(a: IndexedSeq[DenseMatrix[Double]], b: IndexedSeq[DenseMatrix[Double]]): IndexedSeq[DenseMatrix[Double]]
final def asInstanceOf[T0]: T0

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def clone(): AnyRef

Attributes
protected[java.lang]
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@throws( ... )
def computeMean(in: RDD[DenseMatrix[Double]]): DenseVector[Double]
final def eq(arg0: AnyRef): Boolean

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def equals(arg0: Any): Boolean

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def finalize(): Unit

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protected[java.lang]
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@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

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def hashCode(): Int

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final def isInstanceOf[T0]: Boolean

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def isSorted[T](s: Seq[T])(implicit cmp: Ordering[T]): Boolean

Check if a given sequence is sorted.
Check if a given sequence is sorted.
s
Sequence that needs to be checked.
returns
true if the squence is sorted. false otherwise
def matrixToColArray[T](mat: DenseMatrix[T])(implicit arg0: ClassTag[T]): Array[DenseVector[T]]

Converts a matrix to an array of columns.
Converts a matrix to an array of columns.
mat
Input matrix.
returns
Array of columns.
def matrixToRowArray[T](mat: DenseMatrix[T])(implicit arg0: ClassTag[T]): Array[DenseVector[T]]

Converts a matrix to an array of rows.
Converts a matrix to an array of rows.
mat
Input matrix.
returns
Array of rows.
final def ne(arg0: AnyRef): Boolean

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final def notify(): Unit

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final def notifyAll(): Unit

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def rowsToMatrix[T](in: RDD[DenseVector[T]])(implicit arg0: ClassTag[T]): RDD[DenseMatrix[T]]

Converts a RDD of DenseVector to a RDD of DenseMatrix such that vectors in each partition are stacked into a rows to make a DenseMatrix.
Converts a RDD of DenseVector to a RDD of DenseMatrix such that vectors in each partition are stacked into a rows to make a DenseMatrix.
in
RDD of DenseVectors (row)
returns
RDD containing dense matrices
def rowsToMatrix[T](inArr: Array[DenseVector[T]])(implicit arg0: ClassTag[T]): DenseMatrix[T]

Converts an array of DenseVector to a matrix where each vector is a row.
Converts an array of DenseVector to a matrix where each vector is a row.
inArr
Array of DenseVectors (rows)
returns
A row matrix.
def rowsToMatrix[T](in: TraversableOnce[DenseVector[T]])(implicit arg0: ClassTag[T]): DenseMatrix[T]

Converts a sequence of DenseVector to a matrix where each vector is a row.
Converts a sequence of DenseVector to a matrix where each vector is a row.
in
Sequence of of DenseVectors (rows)
returns
A row matrix.
def rowsToMatrixIter[T](in: TraversableOnce[DenseVector[T]])(implicit arg0: ClassTag[T]): Iterator[DenseMatrix[T]]

Converts a sequence of DenseVector to a matrix where each vector is a row.
Converts a sequence of DenseVector to a matrix where each vector is a row.
in
Sequence of of DenseVectors (rows)
returns
Iterator with a single element if rows is non-empty. Empty iterator otherwise.
def sampleRows(in: DenseMatrix[Double], numSamples: Int): DenseMatrix[Double]

Draw samples rows from a matrix.
Draw samples rows from a matrix.
in
Input matrix.
numSamples
Number of samples to draw.
returns
A matrix constructed from a sample of the rows.
def shuffleArray[T](arr: Array[T], seed: Int = 42): Array[T]
final def synchronized[T0](arg0: ⇒ T0): T0

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def toString(): String

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def truncateLineage[T](in: RDD[T], cache: Boolean)(implicit arg0: ClassTag[T]): RDD[T]
final def wait(): Unit

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

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final def wait(arg0: Long): Unit

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Related Doc: package utils

object MatrixUtils extends Serializable

Value Members

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

def addMatrices(a: IndexedSeq[DenseMatrix[Double]], b: IndexedSeq[DenseMatrix[Double]]): IndexedSeq[DenseMatrix[Double]]

final def asInstanceOf[T0]: T0

def clone(): AnyRef

def computeMean(in: RDD[DenseMatrix[Double]]): DenseVector[Double]

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def finalize(): Unit

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

def isSorted[T](s: Seq[T])(implicit cmp: Ordering[T]): Boolean

def matrixToColArray[T](mat: DenseMatrix[T])(implicit arg0: ClassTag[T]): Array[DenseVector[T]]

def matrixToRowArray[T](mat: DenseMatrix[T])(implicit arg0: ClassTag[T]): Array[DenseVector[T]]

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def rowsToMatrix[T](in: RDD[DenseVector[T]])(implicit arg0: ClassTag[T]): RDD[DenseMatrix[T]]

def rowsToMatrix[T](inArr: Array[DenseVector[T]])(implicit arg0: ClassTag[T]): DenseMatrix[T]

def rowsToMatrix[T](in: TraversableOnce[DenseVector[T]])(implicit arg0: ClassTag[T]): DenseMatrix[T]

def rowsToMatrixIter[T](in: TraversableOnce[DenseVector[T]])(implicit arg0: ClassTag[T]): Iterator[DenseMatrix[T]]

def sampleRows(in: DenseMatrix[Double], numSamples: Int): DenseMatrix[Double]

def shuffleArray[T](arr: Array[T], seed: Int = 42): Array[T]

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

def toString(): String

def truncateLineage[T](in: RDD[T], cache: Boolean)(implicit arg0: ClassTag[T]): RDD[T]

final def wait(): Unit

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

final def wait(arg0: Long): Unit

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Inherited from Serializable

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