magpie.attributes.expanders

Class PowerExpander

java.lang.Object

magpie.attributes.expanders.BaseAttributeExpander

magpie.attributes.expanders.PowerExpander

All Implemented Interfaces:

java.io.Serializable, Options

public class PowerExpander
extends BaseAttributeExpander

This class creates new attributes that are functions of single, already-existing attributes by simply raising them to a specified power

Usage: <exponents...>
exponents...: Create new attributes based on old ones raised to these powers

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PowerExpander()

Method Summary

Modifier and Type	Method and Description
void	expand(Dataset Data) Generate new attributes based on the attributes already in Dataset
java.lang.String	printUsage() Print out required format for options.
void	setOptions(java.util.List<java.lang.Object> Options) Set any options for this object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PowerExpander

public PowerExpander()

Method Detail

expand

public void expand(Dataset Data)

Description copied from class: BaseAttributeExpander

Generate new attributes based on the attributes already in Dataset

Specified by:

expand in class BaseAttributeExpander

Parameters:

Data - Dataset to be expanded

setOptions

public void setOptions(java.util.List<java.lang.Object> Options)
                throws java.lang.Exception

Description copied from interface: Options

Set any options for this object. If parsing the options fails, return an Exception with the usage as its message.

Parameters:

Options - Array of options as Objects - can be null

Throws:

java.lang.Exception - if problem with inputs

printUsage

public java.lang.String printUsage()

Description copied from interface: Options

Print out required format for options. For consistency, should start with "Usage: ".

Returns:

Usage for this function