abstracttimeseriesfilter.html

< 数据挖掘--实用机器学习技术及java实现> 一书结合数据挖掘和机器学习的知识,作者陈述了自动挖掘模式的基础理论,并且以java语言实现了具有代表性的各类数据挖掘方法.例如:class

 format or if there was a problem with the filtering.</DL>
</DD>
</DL>
<HR>

<A NAME="batchFinished()"><!-- --></A><H3>
batchFinished</H3>
<PRE>
public boolean <B>batchFinished</B>()</PRE>
<DL>
<DD>Signifies that this batch of input to the filter is finished. If the 
 filter requires all instances prior to filtering, output() may now 
 be called to retrieve the filtered instances.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/filters/Filter.html#batchFinished()">batchFinished</A></CODE> in class <CODE><A HREF="../../weka/filters/Filter.html">Filter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if there are instances pending output<DT><B>Throws:</B><DD><CODE>java.lang.IllegalStateException</CODE> - if no input structure has been defined</DL>
</DD>
</DL>
<HR>

<A NAME="getFillWithMissing()"><!-- --></A><H3>
getFillWithMissing</H3>
<PRE>
public boolean <B>getFillWithMissing</B>()</PRE>
<DL>
<DD>Gets whether missing values should be used rather than removing instances
 where the translated value is not known (due to border effects).<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if so</DL>
</DD>
</DL>
<HR>

<A NAME="setFillWithMissing(boolean)"><!-- --></A><H3>
setFillWithMissing</H3>
<PRE>
public void <B>setFillWithMissing</B>(boolean&nbsp;newFillWithMissing)</PRE>
<DL>
<DD>Sets whether missing values should be used rather than removing instances
 where the translated value is not known (due to border effects).<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newFillWithMissing</CODE> - true if so</DL>
</DD>
</DL>
<HR>

<A NAME="getInstanceRange()"><!-- --></A><H3>
getInstanceRange</H3>
<PRE>
public int <B>getInstanceRange</B>()</PRE>
<DL>
<DD>Gets the number of instances forward to translate values between.
 A negative number indicates taking values from a past instance.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of InstanceRange.</DL>
</DD>
</DL>
<HR>

<A NAME="setInstanceRange(int)"><!-- --></A><H3>
setInstanceRange</H3>
<PRE>
public void <B>setInstanceRange</B>(int&nbsp;newInstanceRange)</PRE>
<DL>
<DD>Sets the number of instances forward to translate values between.
 A negative number indicates taking values from a past instance.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newInstanceRange</CODE> - Value to assign to InstanceRange.</DL>
</DD>
</DL>
<HR>

<A NAME="getInvertSelection()"><!-- --></A><H3>
getInvertSelection</H3>
<PRE>
public boolean <B>getInvertSelection</B>()</PRE>
<DL>
<DD>Get whether the supplied columns are to be removed or kept<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if the supplied columns will be kept</DL>
</DD>
</DL>
<HR>

<A NAME="setInvertSelection(boolean)"><!-- --></A><H3>
setInvertSelection</H3>
<PRE>
public void <B>setInvertSelection</B>(boolean&nbsp;invert)</PRE>
<DL>
<DD>Set whether selected columns should be removed or kept. If true the 
 selected columns are kept and unselected columns are copied. If false
 selected columns are copied and unselected columns are kept.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>invert</CODE> - the new invert setting</DL>
</DD>
</DL>
<HR>

<A NAME="attributeIndicesTipText()"><!-- --></A><H3>
attributeIndicesTipText</H3>
<PRE>
public java.lang.String <B>attributeIndicesTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getAttributeIndices()"><!-- --></A><H3>
getAttributeIndices</H3>
<PRE>
public java.lang.String <B>getAttributeIndices</B>()</PRE>
<DL>
<DD>Get the current range selection<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a string containing a comma separated list of ranges</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndices(java.lang.String)"><!-- --></A><H3>
setAttributeIndices</H3>
<PRE>
public void <B>setAttributeIndices</B>(java.lang.String&nbsp;rangeList)</PRE>
<DL>
<DD>Set which attributes are to be copied (or kept if invert is true)<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rangeList</CODE> - a string representing the list of attributes.  Since
 the string will typically come from a user, attributes are indexed from
 1. <br>
 eg: first-3,5,6-last</DL>
</DD>
</DL>
<HR>

<A NAME="setAttributeIndicesArray(int[])"><!-- --></A><H3>
setAttributeIndicesArray</H3>
<PRE>
public void <B>setAttributeIndicesArray</B>(int[]&nbsp;attributes)</PRE>
<DL>
<DD>Set which attributes are to be copied (or kept if invert is true)<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attributes</CODE> - an array containing indexes of attributes to select.
 Since the array will typically come from a program, attributes are indexed
 from 0.</DL>
</DD>
</DL>
<HR>

<A NAME="resetHistory()"><!-- --></A><H3>
resetHistory</H3>
<PRE>
protected void <B>resetHistory</B>()</PRE>
<DL>
<DD>Clears any instances from the history queue.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="historyInput(weka.core.Instance)"><!-- --></A><H3>
historyInput</H3>
<PRE>
protected <A HREF="../../weka/core/Instance.html">Instance</A> <B>historyInput</B>(<A HREF="../../weka/core/Instance.html">Instance</A>&nbsp;instance)</PRE>
<DL>
<DD>Adds an instance to the history buffer. If enough instances are in
 the buffer, a new instance may be output, with selected attribute
 values copied from one to another.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instance</CODE> - the input instance<DT><B>Returns:</B><DD>a new instance with translated values, or null if no
 output instance is produced</DL>
</DD>
</DL>
<HR>

<A NAME="mergeInstances(weka.core.Instance, weka.core.Instance)"><!-- --></A><H3>
mergeInstances</H3>
<PRE>
protected abstract <A HREF="../../weka/core/Instance.html">Instance</A> <B>mergeInstances</B>(<A HREF="../../weka/core/Instance.html">Instance</A>&nbsp;source,
                                           <A HREF="../../weka/core/Instance.html">Instance</A>&nbsp;dest)</PRE>
<DL>
<DD>Creates a new instance the same as one instance (the "destination")
 but with some attribute values copied from another instance
 (the "source")<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - the source instance<DD><CODE>dest</CODE> - the destination instance<DT><B>Returns:</B><DD>the new merged instance</DL>
</DD>
</DL>
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