keel.Algorithms.Rule_Learning.UnoR

Class Dataset

java.lang.Object

keel.Algorithms.Rule_Learning.UnoR.Dataset

public class Dataset
extends java.lang.Object

Title: Data-set

Description: It contains the methods for reading the training and test files

Since:

JDK1.4

Version:

1.0

Author:

Written by Rosa Venzala 2007

Constructor Summary

Constructors

Constructor and Description
Dataset() Constructor, creates a new set of instances

Method Summary

Modifier and Type	Method and Description
void	calculaMasComunes() Calculate the values most commons for each column or attribute
java.lang.String	copiaCabeceraTest() Returns a string with the header of the file
int[][][]	creaCount() Creates a matrix training set, stored for each class, each attribute, and each value the number of examples of class C that have value V for the attribute A COUNT[C,V,A]
java.lang.String[]	dameClases() Returns teh value of the classes
java.lang.String[]	dameNombres() Returns the name of the problem's variables
java.lang.String	findNominalValue(int atr, double valor) Returns the nominal value of the double value of the attribute
int[]	getC() Returns the values for the out-put(class)
java.lang.String[]	getC2() Returns the values for the out-put(class)
int[][]	getClaseOptima(int[][][] Count, long seed) Returns a vector with the optimum class for each pair attribute-value
double[]	getemaximo() Returns an array with the maximum values of the in-put attributes
double[]	geteminimo() Returns an array with the minimum values of the in-put values
InstanceSet	getInstanceSet() Returns the instance set
double[][]	getListValues() Gets for each attribute the sorted list of its possible values
int	getMaximo(double[] num, long seed) Returns the index where is the maximum in an array of doubles
int	getnclases() Returns the total number of classes
int	getndatos() Return the number of examples
int	getnentradas() Return the number of input variables
int[]	getNumValues() Returns for each attribute the number of different values
int[]	getNumValues2() Returns for each attribute the number of different values
int	getnvariables() Returns the number of variables
double[][]	getX() It returns the values of the input attributes
double[]	getX(int pos) Return the values of the in-put attributes for an instance
java.lang.String[][]	getX2() Return the values of the in-put attributes
boolean	hayAtributosContinuos() Checks if in the data base there is a in-put type real or continous
boolean	hayInstanciasDeClaseC(int whichClass) Checks if in the instances set left instances of a determined class
boolean	isMissing(int i, int j) Checks if one attribute is missing or not
void	leeConjunto(java.lang.String nfejemplos, boolean train) Reads the file of examples(Train&Test)
int	masComun(int i) Return the value most common of the attribute 'i'
void	normaliza() Convert all the values of the set of values in the inetrval[0,1]
int[]	tiposVar() Return the types of each in-put(NOMINAL[0] o NUMERIC[1])

Methods inherited from class java.lang.Object

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

Constructor Detail

Dataset

public Dataset()

Constructor, creates a new set of instances

Method Detail

getX

public double[][] getX()

It returns the values of the input attributes

Returns:

double[][] An array with the input attributes

getX2

public java.lang.String[][] getX2()

Return the values of the in-put attributes

Returns:

double[][] An array with the in-put attributes

getX

public double[] getX(int pos)

Return the values of the in-put attributes for an instance

Parameters:

pos - The position of the instance in the set of values

Returns:

double[] An array with the in-put attributes for the instance

getInstanceSet

public InstanceSet getInstanceSet()

Returns the instance set

Returns:

the instance set

findNominalValue

public java.lang.String findNominalValue(int atr,
                                         double valor)

Returns the nominal value of the double value of the attribute

Parameters:

atr - attribute id.

valor - attribute id.

Returns:

the nominal value of the double value of the attribute

hayInstanciasDeClaseC

public boolean hayInstanciasDeClaseC(int whichClass)
                              throws java.lang.ArrayIndexOutOfBoundsException

Checks if in the instances set left instances of a determined class

Parameters:

whichClass - The class

Returns:

true if there're instances, false otherwise

Throws:

java.lang.ArrayIndexOutOfBoundsException

getListValues

public double[][] getListValues()

Gets for each attribute the sorted list of its possible values

Returns:

list with each attribute the sorted list of its possible values

creaCount

public int[][][] creaCount()

Creates a matrix training set, stored for each class, each attribute, and each value the number of examples of class C that have value V for the attribute A COUNT[C,V,A]

Returns:

int [][][] A matrix with the number of examples

getClaseOptima

public int[][] getClaseOptima(int[][][] Count,
                              long seed)

Returns a vector with the optimum class for each pair attribute-value

Parameters:

Count - each pair attribute-value

seed - seed.

Returns:

int [][] vector with the optimum classes

getMaximo

public int getMaximo(double[] num,
                     long seed)

Returns the index where is the maximum in an array of doubles

Parameters:

num - array of doubles given.

seed - seed

Returns:

int index where is the aximum value

getNumValues

public int[] getNumValues()

Returns for each attribute the number of different values

Returns:

int [] an array with the number of different values

getNumValues2

public int[] getNumValues2()

Returns for each attribute the number of different values

Returns:

int [] an array with the number of different values

getC

public int[] getC()

Returns the values for the out-put(class)

Returns:

int[] An array with the values of the class

getC2

public java.lang.String[] getC2()

Returns the values for the out-put(class)

Returns:

int[] An array with the values of the class

getemaximo

public double[] getemaximo()

Returns an array with the maximum values of the in-put attributes

Returns:

double[] idem

geteminimo

public double[] geteminimo()

Returns an array with the minimum values of the in-put values

Returns:

double[] idem

getndatos

public int getndatos()

Return the number of examples

Returns:

int the number of examples

getnvariables

public int getnvariables()

Returns the number of variables

Returns:

int The number of variables(including in-put and out-put)

getnentradas

public int getnentradas()

Return the number of input variables

Returns:

int Total of the input variables

getnclases

public int getnclases()

Returns the total number of classes

Returns:

int the number of classes

isMissing

public boolean isMissing(int i,
                         int j)

Checks if one attribute is missing or not

Parameters:

i - int Number of example

j - int Number of attribue

Returns:

boolean True if lost

leeConjunto

public void leeConjunto(java.lang.String nfejemplos,
                        boolean train)
                 throws java.io.IOException

Reads the file of examples(Train&Test)

Parameters:

nfejemplos - String Nom of the examples file

train - boolean True if Train set. False is test set.

Throws:

java.io.IOException - A possible I/O error

copiaCabeceraTest

public java.lang.String copiaCabeceraTest()

Returns a string with the header of the file

Returns:

String The data of the header of the file

normaliza

public void normaliza()

Convert all the values of the set of values in the inetrval[0,1]

tiposVar

public int[] tiposVar()

Return the types of each in-put(NOMINAL[0] o NUMERIC[1])

Returns:

int[] A vector with (NOMINAL[0] o NUMERIC[1])

calculaMasComunes

public void calculaMasComunes()

Calculate the values most commons for each column or attribute

masComun

public int masComun(int i)

Return the value most common of the attribute 'i'

Parameters:

i - int Number of the attribute

Returns:

int Most common value for this variable

dameNombres

public java.lang.String[] dameNombres()

Returns the name of the problem's variables

Returns:

String[] An array with the name of the problem's variables

dameClases

public java.lang.String[] dameClases()

Returns teh value of the classes

Returns:

String[] An aray with the name of the out-puts(classes)

hayAtributosContinuos

public boolean hayAtributosContinuos()

Checks if in the data base there is a in-put type real or continous

Returns:

boolean True if exists, False otherwise