org.knime.base.node.mine.decisiontree2.learner
Class DataRowWeighted

java.lang.Object
  org.knime.base.node.mine.decisiontree2.learner.DataRowWeighted

public class DataRowWeighted
extends Object

A data row represented as a double array. Nominal values must be mapped to be used. The class value is also a mapped int value.

Author:

Christoph Sieb, University of Konstanz

Constructor Summary

DataRowWeighted(ClassValueDataRow dataRow, double weight)
Constructs a weighted data row.

DataRowWeighted(DataRowWeighted dataRow, double weight)
Constructs a weighted data row from another one and sets the weight to the given value.

Method Summary

int	getClassValue() Returns the class value.
int	getNumAttributes() Returns the number of attribute values, excluding the class value.
double	getValue(int index) Returns the attribute value for the given index.
double	getWeight() Return the weight of this data row.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DataRowWeighted

public DataRowWeighted(ClassValueDataRow dataRow,
                       double weight)

Constructs a weighted data row.

Parameters:

dataRow - the underlying ClassValueDataRow

weight - the weight for this DataRowWeighted

DataRowWeighted

public DataRowWeighted(DataRowWeighted dataRow,
                       double weight)

Constructs a weighted data row from another one and sets the weight to the given value.

Parameters:

dataRow - the other DataRowWeighted

weight - the weight for this DataRowWeighted

Method Detail

getClassValue

public int getClassValue()

Returns the class value.

Returns:

the class value

getValue

public double getValue(int index)

Returns the attribute value for the given index.

Parameters:

index - the column index for which to return the double value

Returns:

the attribute value for the given index

getNumAttributes

public int getNumAttributes()

Returns the number of attribute values, excluding the class value.

Returns:

the number of attribute values, excluding the class value

getWeight

public double getWeight()

Return the weight of this data row.

Returns:

the weight of this data row

toString

public String toString()

Overrides:

toString in class Object