A C D E F G H I K L M N O P R S T V

A

ABt - Class in org.apache.mahout.h2obindings.ops

Calculate AB'

ABt() - Constructor for class org.apache.mahout.h2obindings.ops.ABt

AewB - Class in org.apache.mahout.h2obindings.ops

Element-wise DRM-DRM operations

AewB() - Constructor for class org.apache.mahout.h2obindings.ops.AewB

AewScalar - Class in org.apache.mahout.h2obindings.ops

Element-wise DRM-Scalar operations

AewScalar() - Constructor for class org.apache.mahout.h2obindings.ops.AewScalar

AewUnary - Class in org.apache.mahout.h2obindings.ops

MapBlock operator.

AewUnary() - Constructor for class org.apache.mahout.h2obindings.ops.AewUnary

allreduceBlock(H2ODrm, Object, Object) - Static method in class org.apache.mahout.h2obindings.H2OHelper

assignColumn(int, Vector) - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

assignRow(int, Vector) - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

At - Class in org.apache.mahout.h2obindings.ops

Calculate A' (transpose)

At() - Constructor for class org.apache.mahout.h2obindings.ops.At

AtA - Class in org.apache.mahout.h2obindings.ops

Calculate A'A

AtA() - Constructor for class org.apache.mahout.h2obindings.ops.AtA

AtB - Class in org.apache.mahout.h2obindings.ops

Calculate A'B

AtB() - Constructor for class org.apache.mahout.h2obindings.ops.AtB

Atx - Class in org.apache.mahout.h2obindings.ops

Calculate A'x (where x is an in-core Vector)

Atx() - Constructor for class org.apache.mahout.h2obindings.ops.Atx

Ax - Class in org.apache.mahout.h2obindings.ops

Calculate Ax (where x is an in-core Vector)

Ax() - Constructor for class org.apache.mahout.h2obindings.ops.Ax

C

Cbind - Class in org.apache.mahout.h2obindings.ops

R-like cbind like operator, on two DRMs

Cbind() - Constructor for class org.apache.mahout.h2obindings.ops.Cbind

CbindScalar - Class in org.apache.mahout.h2obindings.ops

R-like cbind like operator, on a DRM and a new column containing the given scalar value.

CbindScalar() - Constructor for class org.apache.mahout.h2obindings.ops.CbindScalar

close() - Method in class org.apache.mahout.h2obindings.drm.H2OBCast

Stop broadcasting when called on driver side.

colMeans(Frame) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Calculate Means of elements in a column, and return as a Vector.

colSums(Frame) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Calculate Sums of elements in a column, and return as a Vector.

D

drmFromFile(String, int) - Static method in class org.apache.mahout.h2obindings.H2OHdfs

Create DRM from SequenceFile.

drmFromMatrix(Matrix, int, int) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Ingest a Mahout Matrix into an H2O DRM.

drmFromSeqfile(String, int) - Static method in class org.apache.mahout.h2obindings.H2OHdfs

Internal method called from drmFromFile if format verified.

drmToFile(String, H2ODrm) - Static method in class org.apache.mahout.h2obindings.H2OHdfs

Create SequenceFile on HDFS from DRM object.

E

emptyDrm(long, int, int, int) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Create an empty (zero-filled) H2O DRM.

emptyFrame(long, int, int, int) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Create an empty (zero-filled) H2O Frame efficiently.

emptyFrame(long, int, int, int, Vec.VectorGroup) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Create an empty (zero-filled) H2O Frame efficiently.

exec(H2ODrm, H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.ABt

Calculate AB' on two DRMs to create a new DRM holding the result.

exec(H2ODrm, H2ODrm, String) - Static method in class org.apache.mahout.h2obindings.ops.AewB

Perform element-wise operation on two DRMs to create a new DRM.

exec(H2ODrm, double, String) - Static method in class org.apache.mahout.h2obindings.ops.AewScalar

Perform element-wise operation on a DRM with a Scalar to create a new DRM.

exec(H2ODrm, Object, boolean) - Static method in class org.apache.mahout.h2obindings.ops.AewUnary

Execute a UnaryFunc on each element of a DRM.

exec(H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.At

Perform transpose operation on a DRM to create a new DRM.

exec(H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.AtA

Perform A'A operation on a DRM to create a new DRM.

exec(H2ODrm, H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.AtB

Perform A'B operation on two DRMs to create a new DRM.

exec(H2ODrm, Vector) - Static method in class org.apache.mahout.h2obindings.ops.Atx

Perform A'x operation with a DRM and an in-core Vector to create a new DRM.

exec(H2ODrm, Vector) - Static method in class org.apache.mahout.h2obindings.ops.Ax

Perform Ax operation with a DRM and an in-core Vector to create a new DRM.

exec(H2ODrm, H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.Cbind

Combine the columns of two DRMs A and B to create a new DRM.

exec(H2ODrm, double, boolean) - Static method in class org.apache.mahout.h2obindings.ops.CbindScalar

Combine the columns of DRM A with a new column storing the given scalar.

exec(H2ODrm, int, Object, boolean, ClassTag<K>, ClassTag<R>) - Static method in class org.apache.mahout.h2obindings.ops.MapBlock

Execute a BlockMapFunction on DRM partitions to create a new DRM.

exec(H2ODrm, int, int) - Static method in class org.apache.mahout.h2obindings.ops.Par

(re)Parallelize DRM data according to new partitioning hints.

exec(H2ODrm, H2ODrm) - Static method in class org.apache.mahout.h2obindings.ops.Rbind

Combine the rows of two DRMs A and B to create a new DRM.

exec(H2ODrm, Range) - Static method in class org.apache.mahout.h2obindings.ops.RowRange

Filter rows from intput DRM, to include only row indiced included in R.

exec(H2ODrm, Matrix) - Static method in class org.apache.mahout.h2obindings.ops.TimesRightMatrix

Multiply a DRM with an in-core Matrix to create a new DRM.

F

frame - Variable in class org.apache.mahout.h2obindings.drm.H2ODrm

frame stores all the numerical data of a DRM.

G

getFlavor() - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

getQuick(int, int) - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

H

H2OBCast<T> - Class in org.apache.mahout.h2obindings.drm

Broadcast class wrapper around Matrix and Vector.

H2OBCast(T) - Constructor for class org.apache.mahout.h2obindings.drm.H2OBCast

Class constructor.

H2OBlockMatrix - Class in org.apache.mahout.h2obindings

A Matrix implementation to represent a vertical Block of DRM.

H2OBlockMatrix(Chunk[]) - Constructor for class org.apache.mahout.h2obindings.H2OBlockMatrix

Class constructor.

H2OContext - Class in org.apache.mahout.h2obindings

Context to an H2O Cloud.

H2OContext(String) - Constructor for class org.apache.mahout.h2obindings.H2OContext

Class constructor.

H2ODrm - Class in org.apache.mahout.h2obindings.drm

Class which represents a Mahout DRM in H2O.

H2ODrm(Frame) - Constructor for class org.apache.mahout.h2obindings.drm.H2ODrm

Class constructor.

H2ODrm(Frame, Vec) - Constructor for class org.apache.mahout.h2obindings.drm.H2ODrm

Class constructor.

H2OHdfs - Class in org.apache.mahout.h2obindings

SequenceFile I/O class (on HDFS)

H2OHdfs() - Constructor for class org.apache.mahout.h2obindings.H2OHdfs

H2OHelper - Class in org.apache.mahout.h2obindings

Collection of helper methods for H2O backend.

H2OHelper() - Constructor for class org.apache.mahout.h2obindings.H2OHelper

I

isSeqfile(String) - Static method in class org.apache.mahout.h2obindings.H2OHdfs

Predicate to check if a given filename is a SequenceFile.

isSparse(Frame) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Predicate to check if data is sparse in Frame.

K

keys - Variable in class org.apache.mahout.h2obindings.drm.H2ODrm

keys stores the row key bindings (String or Long)

L

like(int, int) - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

like() - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

M

makeEmptyStrVec(Vec) - Static method in class org.apache.mahout.h2obindings.H2OHelper

The following two methods: vecChunkLen and makeEmptyStrVec are h2o-0.1.25 specific.

MapBlock - Class in org.apache.mahout.h2obindings.ops

MapBlock operator.

MapBlock() - Constructor for class org.apache.mahout.h2obindings.ops.MapBlock

matrixFromDrm(H2ODrm) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Create a Mahout Matrix from a DRM.

N

nonZeroCnt(Frame) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Count non-zero elements in all columns, and return as a Vector.

O

org.apache.mahout.h2obindings - package org.apache.mahout.h2obindings

org.apache.mahout.h2obindings.drm - package org.apache.mahout.h2obindings.drm

org.apache.mahout.h2obindings.ops - package org.apache.mahout.h2obindings.ops

P

Par - Class in org.apache.mahout.h2obindings.ops

Parallelize operator.

Par() - Constructor for class org.apache.mahout.h2obindings.ops.Par

R

Rbind - Class in org.apache.mahout.h2obindings.ops

R-like rbind like operator, on two DRMs

Rbind() - Constructor for class org.apache.mahout.h2obindings.ops.Rbind

RowRange - Class in org.apache.mahout.h2obindings.ops

Filter operation

RowRange() - Constructor for class org.apache.mahout.h2obindings.ops.RowRange

S

setQuick(int, int, double) - Method in class org.apache.mahout.h2obindings.H2OBlockMatrix

sumSqr(Frame) - Static method in class org.apache.mahout.h2obindings.H2OHelper

Calculate Sum of squares of all elements in the DRM.

T

TimesRightMatrix - Class in org.apache.mahout.h2obindings.ops

Multiple DRM with in-core Matrix

TimesRightMatrix() - Constructor for class org.apache.mahout.h2obindings.ops.TimesRightMatrix

V

value() - Method in class org.apache.mahout.h2obindings.drm.H2OBCast

Get the serialized object.

vecChunkLen(Vec, int) - Static method in class org.apache.mahout.h2obindings.H2OHelper

A C D E F G H I K L M N O P R S T V