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java.lang.Objectorg.knime.base.node.mine.decisiontree2.PMMLPredicate
org.knime.base.node.mine.decisiontree2.PMMLSimplePredicate
public class PMMLSimplePredicate
Implements a SimplePredicate as specified in PMML (http://www.dmg.org/v4-0/TreeModel.html).
Nested Class Summary |
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Nested classes/interfaces inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate |
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PMMLPredicate.PMMLPredicates |
Field Summary | |
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static String |
NAME
The string representation of the predicate's XML-element. |
protected static String |
THRESHOLD_KEY
The key to store the threshold in configurations. |
Fields inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate |
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ATTRIBUTE_KEY, CDATA, NUMBERFORMAT, OPERATOR_KEY, TYPE_KEY |
Constructor Summary | |
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PMMLSimplePredicate(String attribute,
PMMLOperator operator,
String value)
Build a new simple predicate. |
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PMMLSimplePredicate(String attribute,
String operator,
String value)
Build a new simple predicate. |
Method Summary | |
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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. |
void |
loadFromPredParams(Config conf)
Load internal predicate settings from a config object. |
void |
saveToPredParams(Config conf)
Save internal predicate settings to a config object. |
void |
setThreshold(String threshold)
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String |
toString()
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void |
writePMML(TransformerHandler handler)
Writes the PMML XML object for the predicate. |
Methods inherited from class org.knime.base.node.mine.decisiontree2.PMMLPredicate |
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cacheSpec, getOperator, getPredicateForConfig, getPredicateForType, getPreviousIndex, getPreviousSpec, getSplitAttribute, setOperator, setOperator, setPreviousIndex, setPreviousSpec, setSplitAttribute |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final String NAME
protected static final String THRESHOLD_KEY
Constructor Detail |
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public PMMLSimplePredicate(String attribute, String operator, String value)
attribute
- the field the predicate is applied onoperator
- the string representation of the operatorvalue
- the value to be compared with (the threshold)public PMMLSimplePredicate(String attribute, PMMLOperator operator, String value)
attribute
- the field the predicate is applied onoperator
- the PMML operator to be setvalue
- the value to be compared with (the threshold)Method Detail |
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public void setThreshold(String threshold)
threshold
- the threshold to setpublic Boolean evaluate(DataRow row, DataTableSpec spec)
evaluate
in class PMMLPredicate
row
- The data row containing the data cells to be evaluated.spec
- The spec for the row.
public String toString()
toString
in class PMMLPredicate
public void writePMML(TransformerHandler handler) throws SAXException
writePMML
in class PMMLPredicate
handler
- TransformerHandler for parsing and transforming events
SAXException
- - any SAX exception, possibly wrapping another
exceptionpublic String getName()
getName
in class PMMLPredicate
public void loadFromPredParams(Config conf) throws InvalidSettingsException
loadFromPredParams
in class PMMLPredicate
conf
- the config object to load from
InvalidSettingsException
- - if invalid settings are providedpublic void saveToPredParams(Config conf)
saveToPredParams
in class PMMLPredicate
conf
- the config object to write into
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