org.datavec.api.transform.transform.doubletransform

Class DoubleMathFunctionTransform

java.lang.Object

org.datavec.api.transform.transform.BaseTransform

org.datavec.api.transform.transform.BaseColumnTransform

org.datavec.api.transform.transform.doubletransform.BaseDoubleTransform

org.datavec.api.transform.transform.doubletransform.DoubleMathFunctionTransform

All Implemented Interfaces:

Serializable, ColumnOp, Transform

public class DoubleMathFunctionTransform
extends BaseDoubleTransform

A simple transform to do common mathematical operations, such as sin(x), ceil(x), etc.
Operations are specified by MathFunction

Author:

Alex Black

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datavec.api.transform.transform.BaseColumnTransform

columnName, columnNumber

Fields inherited from class org.datavec.api.transform.transform.BaseTransform

inputSchema

Constructor Summary

Constructors

Constructor and Description
DoubleMathFunctionTransform(String columnName, MathFunction mathFunction)

Method Summary

Modifier and Type	Method and Description
Object	map(Object input) Transform an object in to another object
Writable	map(Writable w)

Methods inherited from class org.datavec.api.transform.transform.doubletransform.BaseDoubleTransform

getNewColumnMetaData

Methods inherited from class org.datavec.api.transform.transform.BaseColumnTransform

columnName, columnNames, equals, hashCode, map, mapSequence, outputColumnName, outputColumnNames, setInputSchema, toString, transform

Methods inherited from class org.datavec.api.transform.transform.BaseTransform

getInputSchema, mapSequence

Methods inherited from class java.lang.Object

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

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

getInputSchema

Constructor Detail

DoubleMathFunctionTransform

public DoubleMathFunctionTransform(String columnName,
                                   MathFunction mathFunction)

Method Detail

map

public Writable map(Writable w)

Specified by:

map in class BaseDoubleTransform

map

public Object map(Object input)

Description copied from interface: Transform

Transform an object in to another object

Parameters:

input - the record to transform

Returns:

the transformed writable