public final class YongSplitInfo extends java.lang.Object implements java.lang.Cloneable, java.io.Serializable, SplitEvaluate, RevisionHandler
Constructor and Description |
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YongSplitInfo(int low,
int high,
int attr)
Constructs an object which contains the split information
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Modifier and Type | Method and Description |
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void |
attrSplit(int attr,
Instances inst)
Finds the best splitting point for an attribute in the instances
|
SplitEvaluate |
copy()
Makes a copy of this SplitInfo object
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java.lang.String |
getRevision()
Returns the revision string.
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void |
initialize(int low,
int high,
int attr)
Resets the object of split information
|
double |
maxImpurity()
Returns the impurity of this split
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int |
position()
Returns the position of the split in the sorted values.
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int |
splitAttr()
Returns the attribute used in this split
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double |
splitValue()
Returns the split value
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java.lang.String |
toString(Instances inst)
Converts the spliting information to string
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public YongSplitInfo(int low, int high, int attr)
low
- the index of the first instancehigh
- the index of the last instanceattr
- an attributepublic final SplitEvaluate copy() throws java.lang.Exception
copy
in interface SplitEvaluate
java.lang.Exception
public final void initialize(int low, int high, int attr)
low
- the index of the first instancehigh
- the index of the last instanceattr
- the attributepublic final java.lang.String toString(Instances inst)
inst
- the instancespublic final void attrSplit(int attr, Instances inst) throws java.lang.Exception
attrSplit
in interface SplitEvaluate
attr
- the splitting attributeinst
- the instancesjava.lang.Exception
- if something goes wrongpublic double maxImpurity()
maxImpurity
in interface SplitEvaluate
public int splitAttr()
splitAttr
in interface SplitEvaluate
public int position()
position
in interface SplitEvaluate
int
valuepublic double splitValue()
splitValue
in interface SplitEvaluate
public java.lang.String getRevision()
getRevision
in interface RevisionHandler