com.groiss.ml.ds

Class Instance

java.lang.Object

com.groiss.ml.ds.Instance

public class Instance
extends Object

Represents a row in a DataSet. It consists of a set of Attribute and the values of these attributes for the row.

Constructor Summary

Constructors

Constructor and Description
Instance() Create a new empty instance.

Method Summary

Modifier and Type	Method and Description
<T> T	getValueFor(Attribute<T> attribute) Returns the value for the passed attribute for this instance
<T> boolean	hasAttribute(Attribute<T> attribute) Checks if this instance contains the passed attribute
<T,V extends T> void	setValueFor(Attribute<T> attribute, V value) Sets the value for an attribute.

Methods inherited from class java.lang.Object

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

Constructor Detail

Instance

public Instance()

Create a new empty instance.

Method Detail

setValueFor

public <T,V extends T> void setValueFor(Attribute<T> attribute,
                                        V value)

Sets the value for an attribute.

Parameters:

attribute - the attribute which value shall be set

value - the value for the attribute

hasAttribute

public <T> boolean hasAttribute(Attribute<T> attribute)

Checks if this instance contains the passed attribute

Parameters:

attribute - the Attribute to check for

Returns:

true if this instance contains the attribute, false otherwise

getValueFor

public <T> T getValueFor(Attribute<T> attribute)

Returns the value for the passed attribute for this instance

Parameters:

attribute - the Attribute which value is requested

Returns:

the value of the passed attribute