org.nd4j.linalg.dataset.api.preprocessor

Interface NormalizerStrategy<S extends NormalizerStats>

All Superinterfaces:

Serializable

All Known Implementing Classes:

MinMaxStrategy, StandardizeStrategy

public interface NormalizerStrategy<S extends NormalizerStats>
extends Serializable

Interface for strategies that can normalize and denormalize data arrays based on statistics of the population

Author:

Ede Meijer

Method Summary

Modifier and Type	Method and Description
NormalizerStats.Builder	newStatsBuilder() Create a new NormalizerStats.Builder instance that can be used to fit new data and of the opType that belongs to the current NormalizerStrategy implementation
void	preProcess(INDArray array, INDArray maskArray, S stats) Normalize a data array
void	revert(INDArray array, INDArray maskArray, S stats) Denormalize a data array

Method Detail

preProcess

void preProcess(INDArray array,
                INDArray maskArray,
                S stats)

Normalize a data array

Parameters:

array - the data to normalize

stats - statistics of the data population

revert

void revert(INDArray array,
            INDArray maskArray,
            S stats)

Denormalize a data array

Parameters:

array - the data to denormalize

stats - statistics of the data population

newStatsBuilder

NormalizerStats.Builder newStatsBuilder()

Create a new NormalizerStats.Builder instance that can be used to fit new data and of the opType that belongs to the current NormalizerStrategy implementation

Returns:

the new builder