cosc575.p1
Class NumericAttribute

java.lang.Object
  cosc575.p1.Attribute
      cosc575.p1.NumericAttribute

public class NumericAttribute
extends Attribute

Stores the attribute information for data sets for machine learning. An attribute has a name, type, and domain. Types can be discrete, numeric, or nominal.

Field Summary

Fields inherited from class cosc575.p1.Attribute

name

Constructor Summary

NumericAttribute()

NumericAttribute(java.util.Scanner scanner)
Explicit constructor.

NumericAttribute(java.lang.String name)
Explicit constructor.

Method Summary

static void	main(java.lang.String[] args)
boolean	parse(java.util.Scanner scanner) Processes a single attribute declaration, consisting of the keyword, attribute name, and attribute type.
java.lang.String	toString() Returns a string representation of this attribute.
boolean	validValue(java.lang.Double value) Returns whether the value is valid for a numeric attribute

Methods inherited from class cosc575.p1.Attribute

getName, getSize, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

NumericAttribute

public NumericAttribute()

NumericAttribute

public NumericAttribute(java.lang.String name)
                 throws java.lang.Exception

Explicit constructor. Creates an empty data set of the specified name.

Parameters:

name - the name of this data set

Throws:

java.lang.Exception

NumericAttribute

public NumericAttribute(java.util.Scanner scanner)
                 throws java.lang.Exception

Explicit constructor. Creates a data set populated with the tokens in the scanner.

Parameters:

scanner - a Scanner containing the data set's tokens

Throws:

java.lang.Exception - if an exception occurs

Method Detail

parse

public boolean parse(java.util.Scanner scanner)
              throws java.lang.Exception

Processes a single attribute declaration, consisting of the keyword, attribute name, and attribute type.

Parameters:

scanner - a Scanner containing the data set's tokens

Returns:

true while there are more attribute to process; false otherwise

Throws:

java.lang.Exception - if an exception occurs

toString

public java.lang.String toString()

Returns a string representation of this attribute.

Overrides:

toString in class Attribute

Returns:

a string representation of the names structure

validValue

public boolean validValue(java.lang.Double value)
                   throws java.lang.Exception

Returns whether the value is valid for a numeric attribute

Parameters:

value - the value for testing

Returns:

true if the value is valid; false otherwise

Throws:

java.lang.Exception - if an exception occurs

main

public static void main(java.lang.String[] args)