程序包 weka.core.pmml
类 FieldRef
java.lang.Object
weka.core.pmml.Expression
weka.core.pmml.FieldRef
- 所有已实现的接口:
Serializable
Class encapsulating a FieldRef Expression. Is simply a
pass-through to an existing field.
- 版本:
- $Revision 1.0 $
- 作者:
- Mark Hall (mhall{[at]}pentaho{[dot]}com
- 另请参阅:
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构造器概要
构造器 -
方法概要
修饰符和类型方法说明Return the structure of the result of applying this Expression as an Attribute.double
getResult
(double[] incoming) Get the result of evaluating the expression.getResultCategorical
(double[] incoming) Gets the result of evaluating the expression when the optype is categorical or ordinal as the actual String value.void
setFieldDefs
(ArrayList<Attribute> fieldDefs) Set the field definitions for this Expression to use从类继承的方法 weka.core.pmml.Expression
getExpression, getExpression, getFieldDef, getFieldDefIndex, getOptype, getResultContinuous, toString
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构造器详细资料
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方法详细资料
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setFieldDefs
从类复制的说明:Expression
Set the field definitions for this Expression to use- 覆盖:
setFieldDefs
在类中Expression
- 参数:
fieldDefs
- the field definitions to use- 抛出:
Exception
- if there is a problem setting the field definitions
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getResult
从类复制的说明:Expression
Get the result of evaluating the expression. In the case of a continuous optype, a real number is returned; in the case of a categorical/ordinal optype, the index of the nominal value is returned as a double.- 指定者:
getResult
在类中Expression
- 参数:
incoming
- the incoming parameter values- 返回:
- the result of evaluating the expression
- 抛出:
Exception
- if there is a problem computing the result
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getResultCategorical
从类复制的说明:Expression
Gets the result of evaluating the expression when the optype is categorical or ordinal as the actual String value.- 指定者:
getResultCategorical
在类中Expression
- 参数:
incoming
- the incoming parameter values- 返回:
- the result of evaluating the expression
- 抛出:
Exception
- if the optype is continuous
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getOutputDef
Return the structure of the result of applying this Expression as an Attribute.- 返回:
- the structure of the result of applying this Expression as an Attribute.
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toString
- 覆盖:
toString
在类中Expression
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