MatrixUtils

Value Members

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

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

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3. final def ##(): Int

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4. final def ==(arg0: AnyRef): Boolean

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

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

7. final def asInstanceOf[T0]: T0

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8. def clone(): AnyRef

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

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

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11. def equals(arg0: Any): Boolean

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12. def finalize(): Unit

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

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14. def hashCode(): Int

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15. final def isInstanceOf[T0]: Boolean

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16. 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

17. 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.

18. 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.

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

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20. final def notify(): Unit

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21. final def notifyAll(): Unit

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22. 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

23. 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.

24. 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.

25. 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.

26. 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.

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

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

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29. def toString(): String

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

31. final def wait(): Unit

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

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

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