org.nd4j.linalg.dataset.api.preprocessor.Normalizer Maven / Gradle / Ivy
package org.nd4j.linalg.dataset.api.preprocessor;
import org.nd4j.linalg.dataset.api.DataSet;
import org.nd4j.linalg.dataset.api.MultiDataSet;
import org.nd4j.linalg.dataset.api.preprocessor.serializer.NormalizerSerializerStrategy;
import org.nd4j.linalg.dataset.api.preprocessor.serializer.NormalizerType;
/**
* Base interface for all normalizers
*
* @param either {@link DataSet} or {@link MultiDataSet}
*/
public interface Normalizer {
/**
* Fit a dataset (only compute based on the statistics from this dataset)
*
* @param dataSet the dataset to compute on
*/
void fit(T dataSet);
/**
* Transform the dataset
*
* @param toPreProcess the dataset to re process
*/
void transform(T toPreProcess);
/**
* Undo (revert) the normalization applied by this DataNormalization instance (arrays are modified in-place)
*
* @param toRevert DataSet to revert the normalization on
*/
void revert(T toRevert);
/**
* Get the enum type of this normalizer
*
* @return the type
* @see NormalizerSerializerStrategy#getSupportedType()
*/
NormalizerType getType();
}