org.knime.base.node.mine.decisiontree2
Class PMMLFalsePredicate

java.lang.Object
  org.knime.base.node.mine.decisiontree2.PMMLPredicate
      org.knime.base.node.mine.decisiontree2.PMMLFalsePredicate

public class PMMLFalsePredicate
extends PMMLPredicate

False predicate as specified in PMML (http://www.dmg.org/v4-0/TreeModel.html).

Author:

Dominik Morent, KNIME.com, Zurich, Switzerland

Nested Class Summary

Nested classes/interfaces inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate

PMMLPredicate.PMMLPredicates

Field Summary

static String

NAME The string representation of the predicate's XML-element.

Fields inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate

ATTRIBUTE_KEY, CDATA, NUMBERFORMAT, OPERATOR_KEY, TYPE_KEY

Constructor Summary

PMMLFalsePredicate()

Method Summary

Boolean	evaluate(DataRow row, DataTableSpec spec) Evaluates the predicate for the passed parameters and returns the result.
String	getName() Returns the name of the predicate.
String	getSplitAttribute() Returns the name of the field the predicate operates on, an empty String if it works on multiple attributes, or null if not applicable.
void	loadFromPredParams(Config conf) Load internal predicate settings from a config object.
void	saveToPredParams(Config conf) Save internal predicate settings to a config object.
String	toString()

Methods inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate

cacheSpec, getOperator, getPredicateForConfig, getPredicateForType, getPreviousIndex, getPreviousSpec, setOperator, setOperator, setPreviousIndex, setPreviousSpec, setSplitAttribute

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

The string representation of the predicate's XML-element.

See Also:

Constant Field Values

Constructor Detail

PMMLFalsePredicate

public PMMLFalsePredicate()

Method Detail

evaluate

public Boolean evaluate(DataRow row,
                        DataTableSpec spec)

Evaluates the predicate for the passed parameters and returns the result. If values are missing and an evaluation is not possible null is returned.

Specified by:

evaluate in class PMMLPredicate

Parameters:

row - The data row containing the data cells to be evaluated.

spec - The spec for the row.

Returns:

true if the the predicates evaluates to true, false if it evaluates to false, null on missing values

getSplitAttribute

public String getSplitAttribute()

Returns the name of the field the predicate operates on, an empty String if it works on multiple attributes, or null if not applicable.

Overrides:

getSplitAttribute in class PMMLPredicate

Returns:

the name of the field the predicate operates on, "" if working on multiple attributes or null if not applicable

toString

public String toString()

Specified by:

toString in class PMMLPredicate

getName

public String getName()

Returns the name of the predicate.

Specified by:

getName in class PMMLPredicate

Returns:

the name of the predicate

loadFromPredParams

public void loadFromPredParams(Config conf)
                        throws InvalidSettingsException

Load internal predicate settings from a config object.

Specified by:

loadFromPredParams in class PMMLPredicate

Parameters:

conf - the config object to load from

Throws:

InvalidSettingsException - - if invalid settings are provided

saveToPredParams

public void saveToPredParams(Config conf)

Save internal predicate settings to a config object.

Specified by:

saveToPredParams in class PMMLPredicate

Parameters:

conf - the config object to write into