Uses of Class
weka.core.Attribute

Packages that use Attribute

Package	Description
weka.associations
weka.classifiers.evaluation
weka.classifiers.pmml.producer
weka.classifiers.rules
weka.classifiers.trees.ht
weka.core
weka.core.pmml
weka.gui.arffviewer
weka.gui.beans
weka.gui.visualize.plugins

Uses of Attribute in weka.associations

Methods in weka.associations that return Attribute

Modifier and Type	Method and Description
Attribute	Item.getAttribute() Get the attribute that this item originates from.

Constructors in weka.associations with parameters of type Attribute

Constructor and Description
BinaryItem(Attribute att, int valueIndex) Constructor.
Item(Attribute att)
NominalItem(Attribute att, int valueIndex) Constructs a new NominalItem.
NumericItem(Attribute att, double splitPoint, NumericItem.Comparison comp) Constructs a new NumericItem

Uses of Attribute in weka.classifiers.evaluation

Methods in weka.classifiers.evaluation with parameters of type Attribute

Modifier and Type	Method and Description
static double	RegressionAnalysis.calculateSSR(Instances data, Attribute chosen, double slope, double intercept) Returns the sum of squared residuals of the simple linear regression model: y = a + bx.
static double[]	RegressionAnalysis.calculateStdErrorOfCoef(Instances data, Attribute chosen, double slope, double intercept, int df) Returns the standard errors of slope and intercept for a simple linear regression model: y = a + bx.

Uses of Attribute in weka.classifiers.pmml.producer

Methods in weka.classifiers.pmml.producer with parameters of type Attribute

Modifier and Type	Method and Description
static String[]	AbstractPMMLProducerHelper.getNameAndValueFromUnsupervisedNominalToBinaryDerivedAttribute(Instances train, Attribute derived) Extracts the original attribute name and value from the name of a binary indicator attribute created by unsupervised NominalToBinary.

Uses of Attribute in weka.classifiers.rules

Methods in weka.classifiers.rules that return Attribute

Modifier and Type	Method and Description
Attribute	JRip.Antd.getAttr()

Methods in weka.classifiers.rules with parameters of type Attribute

Modifier and Type	Method and Description
weka.classifiers.rules.OneR.OneRRule	OneR.newNominalRule(Attribute attr, Instances data, int[] missingValueCounts) Create a rule branching on this nominal attribute.
weka.classifiers.rules.OneR.OneRRule	OneR.newNumericRule(Attribute attr, Instances data, int[] missingValueCounts) Create a rule branching on this numeric attribute
weka.classifiers.rules.OneR.OneRRule	OneR.newRule(Attribute attr, Instances data) Create a rule branching on this attribute.
String	JRip.RipperRule.toString(Attribute classAttr) Prints this rule

Constructors in weka.classifiers.rules with parameters of type Attribute

Constructor and Description
JRip.Antd(Attribute a) Constructor
JRip.NominalAntd(Attribute a) Constructor
JRip.NumericAntd(Attribute a) Constructor

Uses of Attribute in weka.classifiers.trees.ht

Methods in weka.classifiers.trees.ht with parameters of type Attribute

Modifier and Type	Method and Description
double[]	NBNodeAdaptive.getDistribution(Instance inst, Attribute classAtt)
double[]	NBNode.getDistribution(Instance inst, Attribute classAtt)
double[]	HNode.getDistribution(Instance inst, Attribute classAtt) Return a class probability distribution computed from the frequency counts at this node

Uses of Attribute in weka.core

Methods in weka.core that return Attribute

Modifier and Type	Method and Description
Attribute	Instances.attribute(int index) Returns an attribute.
Attribute	Instance.attribute(int index) Returns the attribute with the given index.
Attribute	AbstractInstance.attribute(int index) Returns the attribute with the given index.
Attribute	Instances.attribute(String name) Returns an attribute given its name.
Attribute	Instance.attributeSparse(int indexOfIndex) Returns the attribute with the given index in the sparse representation.
Attribute	AbstractInstance.attributeSparse(int indexOfIndex) Returns the attribute with the given index in the sparse representation.
Attribute	Instances.classAttribute() Returns the class attribute.
Attribute	Instance.classAttribute() Returns class attribute.
Attribute	AbstractInstance.classAttribute() Returns class attribute.
Attribute	Attribute.copy(String newName) Produces a shallow copy of this attribute with a new name.

Methods in weka.core that return types with arguments of type Attribute

Modifier and Type	Method and Description
Enumeration<Attribute>	Instances.enumerateAttributes() Returns an enumeration of all the attributes.
Enumeration<Attribute>	Instance.enumerateAttributes() Returns an enumeration of all the attributes.
Enumeration<Attribute>	AbstractInstance.enumerateAttributes() Returns an enumeration of all the attributes.

Methods in weka.core with parameters of type Attribute

Modifier and Type	Method and Description
int	Attribute.addStringValue(Attribute src, int index) Adds a string value to the list of valid strings for attributes of type STRING and returns the index of the string.
void	Instances.deleteWithMissing(Attribute att) Removes all instances with missing values for a particular attribute from the dataset.
void	Instances.insertAttributeAt(Attribute att, int position) Inserts an attribute at the given position (0 to numAttributes()) and sets all values to be missing.
boolean	Instance.isMissing(Attribute att) Tests if a specific value is "missing".
boolean	AbstractInstance.isMissing(Attribute att) Tests if a specific value is "missing".
double	Instances.kthSmallestValue(Attribute att, int k) Returns the kth-smallest attribute value of a numeric attribute.
double	Instances.meanOrMode(Attribute att) Returns the mean (mode) for a numeric (nominal) attribute as a floating-point value.
int	Instances.numDistinctValues(Attribute att) Returns the number of distinct values of a given attribute.
Instances	Instance.relationalValue(Attribute att) Returns the relational value of a relational attribute.
Instances	AbstractInstance.relationalValue(Attribute att) Returns the relational value of a relational attribute.
void	Instances.renameAttribute(Attribute att, String name) Renames an attribute.
void	Instances.renameAttributeValue(Attribute att, String val, String name) Renames the value of a nominal (or string) attribute value.
void	Instances.replaceAttributeAt(Attribute att, int position) Replaces the attribute at the given position (0 to numAttributes()) with the given attribute and sets all its values to be missing.
void	Instances.setClass(Attribute att) Sets the class attribute.
void	Instance.setMissing(Attribute att) Sets a specific value to be "missing".
void	AbstractInstance.setMissing(Attribute att) Sets a specific value to be "missing".
void	Instance.setValue(Attribute att, double value) Sets a specific value in the instance to the given value (internal floating-point format).
void	AbstractInstance.setValue(Attribute att, double value) Sets a specific value in the instance to the given value (internal floating-point format).
void	Instance.setValue(Attribute att, String value) Sets a value of an nominal or string attribute to the given value.
void	AbstractInstance.setValue(Attribute att, String value) Sets a value of an nominal or string attribute to the given value.
void	Instances.sort(Attribute att) Sorts the instances based on an attribute.
String	Instance.stringValue(Attribute att) Returns the value of a nominal, string, date, or relational attribute for the instance as a string.
String	AbstractInstance.stringValue(Attribute att) Returns the value of a nominal, string, date, or relational attribute for the instance as a string.
boolean	Capabilities.test(Attribute att) Test the given attribute, whether it can be processed by the handler, given its capabilities.
boolean	Capabilities.test(Attribute att, boolean isClass) Test the given attribute, whether it can be processed by the handler, given its capabilities.
void	Capabilities.testWithFail(Attribute att) tests the given attribute by calling the test(Attribute,boolean) method and throws an exception if the test fails.
void	Capabilities.testWithFail(Attribute att, boolean isClass) tests the given attribute by calling the test(Attribute,boolean) method and throws an exception if the test fails.
String	Instance.toString(Attribute att) Returns the description of one value of the instance as a string.
String	AbstractInstance.toString(Attribute att) Returns the description of one value of the instance as a string.
String	Instance.toString(Attribute att, int afterDecimalPoint) Returns the description of one value of the instance as a string.
String	AbstractInstance.toString(Attribute att, int afterDecimalPoint) Returns the description of one value of the instance as a string.
static String	Attribute.typeToString(Attribute att) Returns a string representation of the attribute type.
static String	Attribute.typeToStringShort(Attribute att) Returns a short string representation of the attribute type.
double	Instance.value(Attribute att) Returns an instance's attribute value in internal format.
double	AbstractInstance.value(Attribute att) Returns an instance's attribute value in internal format.
double	Instances.variance(Attribute att) Computes the variance for a numeric attribute.

Constructor parameters in weka.core with type arguments of type Attribute

Constructor and Description
Instances(String name, ArrayList<Attribute> attInfo, int capacity) Creates an empty set of instances.

Uses of Attribute in weka.core.pmml

Methods in weka.core.pmml that return Attribute

Modifier and Type	Method and Description
Attribute	TargetMetaInfo.getFieldAsAttribute() Return this field as an Attribute.
Attribute	MiningFieldMetaInfo.getFieldAsAttribute() Return this mining field as an Attribute.
abstract Attribute	FieldMetaInfo.getFieldAsAttribute() Return this field as an Attribute.
Attribute	DerivedFieldMetaInfo.getFieldAsAttribute() Get this derived field as an Attribute.
Attribute	Expression.getFieldDef(String attName) Return the named attribute from the list of reference fields.
abstract Attribute	Function.getOutputDef() Get the structure of the result produced by this function.
Attribute	FieldRef.getOutputDef() Return the structure of the result of applying this Expression as an Attribute.
Attribute	DefineFunction.getOutputDef() Get the structure of the result produced by this function.
Attribute	BuiltInString.getOutputDef() Get the structure of the result produced by this function.
Attribute	BuiltInMath.getOutputDef() Get the structure of the result produced by this function.
Attribute	BuiltInArithmetic.getOutputDef() Get the structure of the result produced by this function.

Method parameters in weka.core.pmml with type arguments of type Attribute

Modifier and Type	Method and Description
static Expression	Expression.getExpression(Node container, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs, weka.core.pmml.TransformationDictionary transDict) Static factory method that returns a subclass of Expression that encapsulates the type of expression contained in the Element supplied.
static Expression	Expression.getExpression(String name, Node expression, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs, weka.core.pmml.TransformationDictionary transDict) Static factory method that returns a subclass of Expression that encapsulates the type of expression supplied as an argument.
void	NormDiscrete.setFieldDefs(ArrayList<Attribute> fieldDefs) Set the field definitions for this Expression to use
void	NormContinuous.setFieldDefs(ArrayList<Attribute> fieldDefs) Set the field definitions for this Expression to use
void	FieldRef.setFieldDefs(ArrayList<Attribute> fieldDefs)
void	Expression.setFieldDefs(ArrayList<Attribute> fieldDefs) Set the field definitions for this Expression to use
void	Discretize.setFieldDefs(ArrayList<Attribute> fieldDefs) Set the field definitions for this Expression to use
void	DerivedFieldMetaInfo.setFieldDefs(ArrayList<Attribute> fieldDefs) Upadate the field definitions for this derived field
abstract void	Function.setParameterDefs(ArrayList<Attribute> paramDefs) Set the structure of the parameters that are expected as input by this function.
void	DefineFunction.setParameterDefs(ArrayList<Attribute> paramDefs) Set the structure of the parameters that are expected as input by this function.
void	BuiltInString.setParameterDefs(ArrayList<Attribute> paramDefs) Set the structure of the parameters that are expected as input by this function.
void	BuiltInMath.setParameterDefs(ArrayList<Attribute> paramDefs) Set the structure of the parameters that are expected as input by this function.
void	BuiltInArithmetic.setParameterDefs(ArrayList<Attribute> paramDefs) Set the structure of the parameters that are expected as input by this function.

Constructor parameters in weka.core.pmml with type arguments of type Attribute

Constructor and Description
Constant(Element constant, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs) Construct an new Constant Expression.
DerivedFieldMetaInfo(Element derivedField, ArrayList<Attribute> fieldDefs, weka.core.pmml.TransformationDictionary transDict)
Discretize(Element discretize, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs) Constructs a Discretize Expression
Expression(FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs)
FieldRef(Element fieldRef, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs)
NormContinuous(Element normCont, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs)
NormDiscrete(Element normDisc, FieldMetaInfo.Optype opType, ArrayList<Attribute> fieldDefs) Constructor.

Uses of Attribute in weka.gui.arffviewer

Methods in weka.gui.arffviewer that return Attribute

Modifier and Type	Method and Description
Attribute	ArffTableModel.getAttributeAt(int columnIndex) returns the attribute at the given index, can be NULL if not an attribute column
Attribute	ArffSortedTableModel.getAttributeAt(int columnIndex) returns the attribute at the given index, can be NULL if not an attribute column

Uses of Attribute in weka.gui.beans

Methods in weka.gui.beans that return Attribute

Modifier and Type	Method and Description
Attribute	ThresholdDataEvent.getClassAttribute() Return the class attribute for which the threshold data was generated for.

Methods in weka.gui.beans with parameters of type Attribute

Modifier and Type	Method and Description
void	CostBenefitAnalysis.setCurveData(PlotData2D curveData, Attribute origClassAtt) Set the threshold curve data to use.

Constructors in weka.gui.beans with parameters of type Attribute

Constructor and Description
ThresholdDataEvent(Object source, PlotData2D dataSet, Attribute classAtt)

Uses of Attribute in weka.gui.visualize.plugins

Methods in weka.gui.visualize.plugins with parameters of type Attribute

Modifier and Type	Method and Description
JMenuItem	VisualizePlugin.getVisualizeMenuItem(ArrayList<Prediction> preds, Attribute classAtt) Get a JMenu or JMenuItem which contain action listeners that perform the visualization, using some but not necessarily all of the data.