org.nd4j.linalg.api.ops.impl.accum

Class StandardDeviation

java.lang.Object

org.nd4j.autodiff.functions.DifferentialFunction

org.nd4j.linalg.api.ops.BaseOp

org.nd4j.linalg.api.ops.BaseAccumulation

org.nd4j.linalg.api.ops.impl.accum.Variance

org.nd4j.linalg.api.ops.impl.accum.StandardDeviation

All Implemented Interfaces:

Accumulation, Op

public class StandardDeviation
extends Variance

Standard deviation (sqrt of variance)

Author:

Adam Gibson

Nested Class Summary

Nested classes/interfaces inherited from interface org.nd4j.linalg.api.ops.Op

Op.Type

Field Summary

Fields inherited from class org.nd4j.linalg.api.ops.impl.accum.Variance

bias, biasCorrected, mean

Fields inherited from class org.nd4j.linalg.api.ops.BaseAccumulation

finalResult, isComplex, keepDims, newFormat

Fields inherited from class org.nd4j.linalg.api.ops.BaseOp

extraArgs, extraArgz, n, numProcessed, passThrough, x, xVertexId, y, yVertexId, z, zVertexId

Fields inherited from class org.nd4j.autodiff.functions.DifferentialFunction

dimensions, inPlace, sameDiff, scalarValue

Constructor Summary

Constructors

Constructor and Description
StandardDeviation()
StandardDeviation(INDArray x)
StandardDeviation(INDArray x, boolean biasCorrected)
StandardDeviation(INDArray x, INDArray y)
StandardDeviation(INDArray x, INDArray y, INDArray z, boolean newFormat, boolean keepDims, int[] dimensions)
StandardDeviation(INDArray x, INDArray y, INDArray z, long n, boolean biasCorrected)
StandardDeviation(INDArray x, INDArray y, long n)
StandardDeviation(SameDiff sameDiff, SDVariable i_v, boolean biasCorrected, boolean keepDims, int[] dimensions)

Method Summary

Modifier and Type	Method and Description
List<SDVariable>	doDiff(List<SDVariable> grad) The actual implementation for automatic differentiation.
String	opName() The name of the op
int	opNum() The number of the op (mainly for old legacy XYZ ops like Op)

Methods inherited from class org.nd4j.linalg.api.ops.impl.accum.Variance

getOpType, init, isBiasCorrected, isPassThrough, noOp, onnxName, setBiasCorrected, tensorflowName

Methods inherited from class org.nd4j.linalg.api.ops.BaseAccumulation

calculateOutputShape, getFinalResult, hasReductionIndices, initFromOnnx, initFromTensorFlow, isComplexAccumulation, isKeepDims, opType, setFinalResult, zeroDouble, zeroFloat, zeroHalf

Methods inherited from class org.nd4j.linalg.api.ops.BaseOp

equals, exec, exec, extraArgs, extraArgsBuff, extraArgsDataBuff, getOpType, hashCode, isExecSpecial, n, numProcessed, outputVariables, setN, setX, setY, setZ, toCustomOp, toString, x, y, z

Methods inherited from class org.nd4j.autodiff.functions.DifferentialFunction

arg, arg, argNames, args, asProperties, attributeAdaptersForFunction, configFieldName, diff, dup, f, getNumOutputs, getValue, hasPlaceHolderInputs, isConfigProperties, larg, mappingsForFunction, onnxNames, outputVariable, outputVariables, outputVariablesNames, propertiesForFunction, rarg, resolvePropertiesFromSameDiffBeforeExecution, setInstanceId, setValueFor, tensorflowNames

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.nd4j.linalg.api.ops.Op

exec, exec, extraArgs, extraArgsBuff, extraArgsDataBuff, isExecSpecial, n, numProcessed, setExtraArgs, setN, setX, setY, setZ, toCustomOp, x, y, z

Constructor Detail

StandardDeviation

public StandardDeviation(SameDiff sameDiff,
                         SDVariable i_v,
                         boolean biasCorrected,
                         boolean keepDims,
                         int[] dimensions)

StandardDeviation

public StandardDeviation(INDArray x,
                         boolean biasCorrected)

StandardDeviation

public StandardDeviation(INDArray x,
                         INDArray y,
                         INDArray z,
                         long n,
                         boolean biasCorrected)

StandardDeviation

public StandardDeviation()

StandardDeviation

public StandardDeviation(INDArray x,
                         INDArray y,
                         long n)

StandardDeviation

public StandardDeviation(INDArray x)

StandardDeviation

public StandardDeviation(INDArray x,
                         INDArray y)

StandardDeviation

public StandardDeviation(INDArray x,
                         INDArray y,
                         INDArray z,
                         boolean newFormat,
                         boolean keepDims,
                         int[] dimensions)

Method Detail

opNum

public int opNum()

Description copied from class: DifferentialFunction

The number of the op (mainly for old legacy XYZ ops like Op)

Specified by:

opNum in interface Op

Overrides:

opNum in class Variance

Returns:

opName

public String opName()

Description copied from class: DifferentialFunction

The name of the op

Specified by:

opName in interface Op

Overrides:

opName in class Variance

Returns:

the opName of this operation

doDiff

public List<SDVariable> doDiff(List<SDVariable> grad)

Description copied from class: DifferentialFunction

The actual implementation for automatic differentiation.

Overrides:

doDiff in class Variance

Returns: