org.datavec.api.transform

Interface Transform

All Superinterfaces:

ColumnOp, Serializable

All Known Implementing Classes:

AddConstantColumnTransform, AppendStringColumnTransform, BaseColumnsMathOpTransform, BaseColumnTransform, BaseDoubleTransform, BaseIntegerTransform, BaseSequenceExpansionTransform, BaseStringTransform, BaseTransform, CategoricalToIntegerTransform, CategoricalToOneHotTransform, ChangeCaseStringTransform, ConcatenateStringColumns, ConditionalCopyValueTransform, ConditionalReplaceValueTransform, ConditionalReplaceValueTransformWithDefault, ConvertToDouble, ConvertToInteger, ConvertToString, DeriveColumnsFromTimeTransform, DoubleColumnsMathOpTransform, DoubleMathFunctionTransform, DoubleMathOpTransform, DuplicateColumnsTransform, IntegerColumnsMathOpTransform, IntegerMathOpTransform, IntegerToCategoricalTransform, IntegerToOneHotTransform, Log2Normalizer, LongColumnsMathOpTransform, LongMathOpTransform, MapAllStringsExceptListTransform, MinMaxNormalizer, NDArrayColumnsMathOpTransform, NDArrayDistanceTransform, NDArrayMathFunctionTransform, NDArrayScalarOpTransform, ParseDoubleTransform, PivotTransform, ReduceSequenceByWindowTransform, ReduceSequenceTransform, RemoveAllColumnsExceptForTransform, RemoveColumnsTransform, RemoveWhiteSpaceTransform, RenameColumnsTransform, ReorderColumnsTransform, ReplaceEmptyIntegerWithValueTransform, ReplaceEmptyStringTransform, ReplaceInvalidWithIntegerTransform, ReplaceStringTransform, SequenceDifferenceTransform, SequenceMovingWindowReduceTransform, SequenceOffsetTransform, SequenceTrimTransform, StandardizeNormalizer, StringListToCategoricalSetTransform, StringListToCountsNDArrayTransform, StringListToIndicesNDArrayTransform, StringMapTransform, StringToCategoricalTransform, StringToTimeTransform, SubtractMeanNormalizer, TextToCharacterIndexTransform, TextToTermIndexSequenceTransform, TimeMathOpTransform

public interface Transform
extends Serializable, ColumnOp

A Transform converts an example to another example, or a sequence to another sequence

Method Summary

Modifier and Type	Method and Description
List<Writable>	map(List<Writable> writables) Transform a writable in to another writable
Object	map(Object input) Transform an object in to another object
List<List<Writable>>	mapSequence(List<List<Writable>> sequence) Transform a sequence
Object	mapSequence(Object sequence) Transform a sequence

Methods inherited from interface org.datavec.api.transform.ColumnOp

columnName, columnNames, getInputSchema, outputColumnName, outputColumnNames, setInputSchema, transform

Method Detail

map

List<Writable> map(List<Writable> writables)

Transform a writable in to another writable

Parameters:

writables - the record to transform

Returns:

the transformed writable

mapSequence

List<List<Writable>> mapSequence(List<List<Writable>> sequence)

Transform a sequence

map

Object map(Object input)

Transform an object in to another object

Parameters:

input - the record to transform

Returns:

the transformed writable

mapSequence

Object mapSequence(Object sequence)

Transform a sequence