myDataset

java.lang.Object
- keel.Algorithms.UnsupervisedLearning.AssociationRules.FuzzyRuleLearning.GeneticFuzzyAprioriDC.myDataset

```
public class myDataset
extends java.lang.Object
```
It contains the methods to read a Dataset for the Association Rules Mining problem

Since:

JDK1.6

Version:

1.1

Author:

Written by Alvaro Lopez

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`INTEGER` Number to represent type of variable integer.
`static int`	`NOMINAL` Number to represent type of variable nominal.
`static int`	`REAL` Number to represent type of variable real or double.

Constructor Summary

Constructors
Constructor and Description

myDataset()
Initialize a new set of instances

Constructors
Constructor and Description
`myDataset()` Initialize a new set of instances

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.String`	`getAttributeName(int id_attr)` It returns the name of the attribute in "id_attr"
`int`	`getAttributeType(int id_attr)` It returns the type of the attribute in "id_attr"
`java.lang.String`	`getAttributeTypeString(int id_attr)` Returns the type of the attribute given as a String.
`double[]`	`getemax()` It returns an array with the maximum values of the attributes
`double[]`	`getemin()` It returns an array with the minimum values of the attributes
`java.util.ArrayList<java.lang.Integer>`	`getIDsOfNominalAttributes()` It returns the IDs of the nominal attributes
`java.util.ArrayList<java.lang.Integer>`	`getIDsOfNumericAttributes()` It returns the IDs of the numeric attributes
`double`	`getMax(int variable)` It returns the upper bound of the variable
`double`	`getMin(int variable)` It returns the lower bound of the variable
`boolean[]`	`getMissing(int pos)` It returns an array indicating the position of the missing values on a specific example
`java.lang.String`	`getNominalValue(int id_attr, int id_val)` It returns the nominal value "id_val" within the attribute "id_attr"
`int`	`getnTrans()` It gets the size of the data-set
`int`	`getnVars()` It gets the number of variables of the data-set
`double[][]`	`getTrueTransactions()` Outputs an array of transactions with their corresponding attribute values.
`boolean`	`hasMissingAttributes()` It checks if the data-set has any missing value
`boolean`	`hasNumericalAttributes()` It checks if the data-set has any numerical value (real or integer)
`boolean`	`hasRealAttributes()` It checks if the data-set has any real value
`boolean`	`isMissing(int i, int j)` This function checks if the attribute value is missing
`boolean`	`isNominal(int id_attr)` Checks if the attribute with the index given is nominal
`void`	`readDataSet(java.lang.String datasetFile)` It reads the whole input data-set and it stores each transaction in local array
`int`	`sizeWithoutMissing()` It return the size of the data-set without having account the missing values

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - REAL
```
public static final int REAL
```
    Number to represent type of variable real or double.
    
    See Also:
    
    Constant Field Values
  - INTEGER
```
public static final int INTEGER
```
    Number to represent type of variable integer.
    
    See Also:
    
    Constant Field Values
  - NOMINAL
```
public static final int NOMINAL
```
    Number to represent type of variable nominal.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - myDataset
```
public myDataset()
```
    Initialize a new set of instances
- Method Detail
  - getTrueTransactions
```
public double[][] getTrueTransactions()
```
    Outputs an array of transactions with their corresponding attribute values.
    
    Returns:
    
    double[][] an array of transactions with their corresponding attribute values
  - getemax
```
public double[] getemax()
```
    It returns an array with the maximum values of the attributes
    
    Returns:
    
    double[] an array with the maximum values of the attributes
  - getemin
```
public double[] getemin()
```
    It returns an array with the minimum values of the attributes
    
    Returns:
    
    double[] an array with the minimum values of the attributes
  - getMax
```
public double getMax(int variable)
```
    It returns the upper bound of the variable
    
    Parameters:
    
    variable - Id of the attribute
    
    Returns:
    
    double the upper bound of the variable
  - getMin
```
public double getMin(int variable)
```
    It returns the lower bound of the variable
    
    Parameters:
    
    variable - Id of the attribute
    
    Returns:
    
    double the lower bound of the variable
  - getnTrans
```
public int getnTrans()
```
    It gets the size of the data-set
    
    Returns:
    
    int the number of transactions in the data-set
  - getnVars
```
public int getnVars()
```
    It gets the number of variables of the data-set
    
    Returns:
    
    int the number of variables of the data-set
  - isMissing
```
public boolean isMissing(int i,
                         int j)
```
    This function checks if the attribute value is missing
    
    Parameters:
    
    i - int Example id
    
    j - int Variable id
    
    Returns:
    
    boolean True is the value is missing, else it returns false
  - readDataSet
```
public void readDataSet(java.lang.String datasetFile)
                 throws java.io.IOException
```
    It reads the whole input data-set and it stores each transaction in local array
    
    Parameters:
    
    datasetFile - String name of the file containing the data-set
    
    Throws:
    
    java.io.IOException - If there occurs any problem with the reading of the data-set
  - hasRealAttributes
```
public boolean hasRealAttributes()
```
    It checks if the data-set has any real value
    
    Returns:
    
    boolean True if it has some real values, else false.
  - hasNumericalAttributes
```
public boolean hasNumericalAttributes()
```
    It checks if the data-set has any numerical value (real or integer)
    
    Returns:
    
    boolean True if it has some numerical values, else false.
  - hasMissingAttributes
```
public boolean hasMissingAttributes()
```
    It checks if the data-set has any missing value
    
    Returns:
    
    boolean True if it has some missing values, else false.
  - sizeWithoutMissing
```
public int sizeWithoutMissing()
```
    It return the size of the data-set without having account the missing values
    
    Returns:
    
    int the size of the data-set without having account the missing values
  - getMissing
```
public boolean[] getMissing(int pos)
```
    It returns an array indicating the position of the missing values on a specific example
    
    Parameters:
    
    pos - int Id of the example
    
    Returns:
    
    boolean[] an array indicating the position of the missing values on the example
  - getIDsOfNumericAttributes
```
public java.util.ArrayList<java.lang.Integer> getIDsOfNumericAttributes()
```
    It returns the IDs of the numeric attributes
    
    Returns:
    
    An array of IDs of the numeric attributes
  - getIDsOfNominalAttributes
```
public java.util.ArrayList<java.lang.Integer> getIDsOfNominalAttributes()
```
    It returns the IDs of the nominal attributes
    
    Returns:
    
    An array of IDs of the nominal attributes
  - getAttributeName
```
public java.lang.String getAttributeName(int id_attr)
```
    It returns the name of the attribute in "id_attr"
    
    Parameters:
    
    id_attr - int Id of the attribute
    
    Returns:
    
    String the name of the attribute
  - getAttributeType
```
public int getAttributeType(int id_attr)
```
    It returns the type of the attribute in "id_attr"
    
    Parameters:
    
    id_attr - int Id of the attribute
    
    Returns:
    
    int the type of the attribute
  - getAttributeTypeString
```
public java.lang.String getAttributeTypeString(int id_attr)
```
    Returns the type of the attribute given as a String.
    
    Parameters:
    
    id_attr - attribute's index.
    
    Returns:
    
    the type of the attribute given as a String.
  - isNominal
```
public boolean isNominal(int id_attr)
```
    Checks if the attribute with the index given is nominal
    
    Parameters:
    
    id_attr - attribute's index.
    
    Returns:
    
    True if the attribute is nominal, false otherwise.
  - getNominalValue
```
public java.lang.String getNominalValue(int id_attr,
                                        int id_val)
```
    It returns the nominal value "id_val" within the attribute "id_attr"
    
    Parameters:
    
    id_attr - int Id of the attribute
    
    id_val - int Id of the nominal value within the attribute
    
    Returns:
    
    String the nominal value

Class myDataset

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

REAL

INTEGER

NOMINAL

Constructor Detail

myDataset

Method Detail

getTrueTransactions

getemax

getemin

getMax

getMin

getnTrans

getnVars

isMissing

readDataSet

hasRealAttributes

hasNumericalAttributes

hasMissingAttributes

sizeWithoutMissing

getMissing

getIDsOfNumericAttributes

getIDsOfNominalAttributes

getAttributeName

getAttributeType

getAttributeTypeString

isNominal

getNominalValue