public class Discretize extends Expression
Constructor and Description |
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Discretize(org.w3c.dom.Element discretize,
FieldMetaInfo.Optype opType,
java.util.ArrayList<Attribute> fieldDefs)
Constructs a Discretize Expression
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Modifier and Type | Method and Description |
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double |
getResult(double[] incoming)
Get the result of evaluating the expression.
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java.lang.String |
getResultCategorical(double[] incoming)
Gets the result of evaluating the expression when the
optype is categorical or ordinal as the actual String
value.
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void |
setFieldDefs(java.util.ArrayList<Attribute> fieldDefs)
Set the field definitions for this Expression to use
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java.lang.String |
toString(java.lang.String pad) |
getExpression, getExpression, getFieldDef, getFieldDefIndex, getOptype, getResultContinuous, toString
public Discretize(org.w3c.dom.Element discretize, FieldMetaInfo.Optype opType, java.util.ArrayList<Attribute> fieldDefs) throws java.lang.Exception
discretize
- the Element containing the discretize expressionopType
- the optype of this Discretize ExpressionfieldDefs
- the structure of the incoming fieldsjava.lang.Exception
- if the optype is not categorical/ordinal or if there
is a problem parsing this elementpublic void setFieldDefs(java.util.ArrayList<Attribute> fieldDefs) throws java.lang.Exception
setFieldDefs
in class Expression
fieldDefs
- the field definitions to usejava.lang.Exception
- if there is a problem setting the field definitionspublic double getResult(double[] incoming) throws java.lang.Exception
getResult
in class Expression
incoming
- the incoming parameter valuesjava.lang.Exception
- if there is a problem computing the resultpublic java.lang.String getResultCategorical(double[] incoming) throws java.lang.Exception
getResultCategorical
in class Expression
incoming
- the incoming parameter valuesjava.lang.Exception
- if the optype is continuouspublic java.lang.String toString(java.lang.String pad)
toString
in class Expression