experiment.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

<A NAME="m_ClassFirst"><!-- --></A><H3>
m_ClassFirst</H3>
<PRE>
protected boolean <B>m_ClassFirst</B></PRE>
<DL>
<DD>True if the class attribute is the first attribute for all
datasets involved in this experiment.</DL>
<HR>

<A NAME="m_AdvanceDataSetFirst"><!-- --></A><H3>
m_AdvanceDataSetFirst</H3>
<PRE>
protected boolean <B>m_AdvanceDataSetFirst</B></PRE>
<DL>
<DD>If true an experiment will advance the current data set befor
any custom itererator</DL>
<HR>

<A NAME="m_RunNumber"><!-- --></A><H3>
m_RunNumber</H3>
<PRE>
protected transient int <B>m_RunNumber</B></PRE>
<DL>
<DD>The current run number when the experiment is running</DL>
<HR>

<A NAME="m_DatasetNumber"><!-- --></A><H3>
m_DatasetNumber</H3>
<PRE>
protected transient int <B>m_DatasetNumber</B></PRE>
<DL>
<DD>The current dataset number when the experiment is running</DL>
<HR>

<A NAME="m_PropertyNumber"><!-- --></A><H3>
m_PropertyNumber</H3>
<PRE>
protected transient int <B>m_PropertyNumber</B></PRE>
<DL>
<DD>The current custom property value index when the experiment is running</DL>
<HR>

<A NAME="m_Finished"><!-- --></A><H3>
m_Finished</H3>
<PRE>
protected transient boolean <B>m_Finished</B></PRE>
<DL>
<DD>True if the experiment has finished running</DL>
<HR>

<A NAME="m_CurrentInstances"><!-- --></A><H3>
m_CurrentInstances</H3>
<PRE>
protected transient <A HREF="../../weka/core/Instances.html">Instances</A> <B>m_CurrentInstances</B></PRE>
<DL>
<DD>The dataset currently being used</DL>
<HR>

<A NAME="m_CurrentProperty"><!-- --></A><H3>
m_CurrentProperty</H3>
<PRE>
protected transient int <B>m_CurrentProperty</B></PRE>
<DL>
<DD>The custom property value that has actually been set</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="Experiment()"><!-- --></A><H3>
Experiment</H3>
<PRE>
public <B>Experiment</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="classFirst(boolean)"><!-- --></A><H3>
classFirst</H3>
<PRE>
public void <B>classFirst</B>(boolean&nbsp;flag)</PRE>
<DL>
<DD>Sets whether the first attribute is treated as the class
 for all datasets involved in the experiment. This information
 is not output with the result of the experiments!<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getAdvanceDataSetFirst()"><!-- --></A><H3>
getAdvanceDataSetFirst</H3>
<PRE>
public boolean <B>getAdvanceDataSetFirst</B>()</PRE>
<DL>
<DD>Get the value of m_DataSetFirstFirst.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>Value of m_DataSetFirstFirst.</DL>
</DD>
</DL>
<HR>

<A NAME="setAdvanceDataSetFirst(boolean)"><!-- --></A><H3>
setAdvanceDataSetFirst</H3>
<PRE>
public void <B>setAdvanceDataSetFirst</B>(boolean&nbsp;newAdvanceDataSetFirst)</PRE>
<DL>
<DD>Set the value of m_AdvanceDataSetFirst.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newm_AdvanceDataSetFirst</CODE> - Value to assign to m_AdvanceRunFirst.</DL>
</DD>
</DL>
<HR>

<A NAME="getUsePropertyIterator()"><!-- --></A><H3>
getUsePropertyIterator</H3>
<PRE>
public boolean <B>getUsePropertyIterator</B>()</PRE>
<DL>
<DD>Gets whether the custom property iterator should be used.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if so</DL>
</DD>
</DL>
<HR>

<A NAME="setUsePropertyIterator(boolean)"><!-- --></A><H3>
setUsePropertyIterator</H3>
<PRE>
public void <B>setUsePropertyIterator</B>(boolean&nbsp;newUsePropertyIterator)</PRE>
<DL>
<DD>Sets whether the custom property iterator should be used.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newUsePropertyIterator</CODE> - true if so</DL>
</DD>
</DL>
<HR>

<A NAME="getPropertyPath()"><!-- --></A><H3>
getPropertyPath</H3>
<PRE>
public <A HREF="../../weka/experiment/PropertyNode.html">PropertyNode</A>[] <B>getPropertyPath</B>()</PRE>
<DL>
<DD>Gets the path of properties taken to get to the custom property
 to iterate over.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an array of PropertyNodes</DL>
</DD>
</DL>
<HR>

<A NAME="setPropertyPath(weka.experiment.PropertyNode[])"><!-- --></A><H3>
setPropertyPath</H3>
<PRE>
public void <B>setPropertyPath</B>(<A HREF="../../weka/experiment/PropertyNode.html">PropertyNode</A>[]&nbsp;newPropertyPath)</PRE>
<DL>
<DD>Sets the path of properties taken to get to the custom property
 to iterate over.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setPropertyArray(java.lang.Object)"><!-- --></A><H3>
setPropertyArray</H3>
<PRE>
public void <B>setPropertyArray</B>(java.lang.Object&nbsp;newPropArray)</PRE>
<DL>
<DD>Sets the array of values to set the custom property to.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newPropArray</CODE> - a value of type Object which should be an
 array of the appropriate values.</DL>
</DD>
</DL>
<HR>

<A NAME="getPropertyArray()"><!-- --></A><H3>
getPropertyArray</H3>
<PRE>
public java.lang.Object <B>getPropertyArray</B>()</PRE>
<DL>
<DD>Gets the array of values to set the custom property to.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a value of type Object which should be an
 array of the appropriate values.</DL>
</DD>
</DL>
<HR>

<A NAME="getPropertyArrayLength()"><!-- --></A><H3>
getPropertyArrayLength</H3>
<PRE>
public int <B>getPropertyArrayLength</B>()</PRE>
<DL>
<DD>Gets the number of custom iterator values that have been defined
 for the experiment.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of custom property iterator values.</DL>
</DD>
</DL>
<HR>

<A NAME="getPropertyArrayValue(int)"><!-- --></A><H3>
getPropertyArrayValue</H3>
<PRE>
public java.lang.Object <B>getPropertyArrayValue</B>(int&nbsp;index)</PRE>
<DL>
<DD>Gets a specified value from the custom property iterator array.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index of the value wanted<DT><B>Returns:</B><DD>the property array value</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentRunNumber()"><!-- --></A><H3>
getCurrentRunNumber</H3>
<PRE>
public int <B>getCurrentRunNumber</B>()</PRE>
<DL>
<DD>When an experiment is running, this returns the current run number.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the current run number.</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentDatasetNumber()"><!-- --></A><H3>
getCurrentDatasetNumber</H3>
<PRE>
public int <B>getCurrentDatasetNumber</B>()</PRE>
<DL>
<DD>When an experiment is running, this returns the current dataset number.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the current dataset number.</DL>
</DD>
</DL>
<HR>

<A NAME="getCurrentPropertyNumber()"><!-- --></A><H3>
getCurrentPropertyNumber</H3>
<PRE>
public int <B>getCurrentPropertyNumber</B>()</PRE>
<DL>
<DD>When an experiment is running, this returns the index of the
 current custom property value.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the index of the current custom property value.</DL>
</DD>
</DL>
<HR>

<A NAME="initialize()"><!-- --></A><H3>
initialize</H3>
<PRE>
public void <B>initialize</B>()
                throws java.lang.Exception</PRE>
<DL>
<DD>Prepares an experiment for running, initializing current iterator
 settings.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="setProperty(int, java.lang.Object)"><!-- --></A><H3>
setProperty</H3>
<PRE>
protected void <B>setProperty</B>(int&nbsp;propertyDepth,
                           java.lang.Object&nbsp;origValue)
                    throws java.lang.Exception</PRE>
<DL>
<DD>Recursively sets the custom property value, by setting all values
 along the property path.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>propertyDepth</CODE> - the current position along the property path<DD><CODE>origValue</CODE> - the value to set the property to<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="hasMoreIterations()"><!-- --></A><H3>
hasMoreIterations</H3>
<PRE>
public boolean <B>hasMoreIterations</B>()</PRE>
<DL>
<DD>Returns true if there are more iterations to carry out in the experiment.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if so</DL>
</DD>
</DL>
<HR>

<A NAME="nextIteration()"><!-- --></A><H3>
nextIteration</H3>
<PRE>
public void <B>nextIteration</B>()
                   throws java.lang.Exception</PRE>
<DL>
<DD>Carries out the next iteration of the experiment.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>