featuregenerator.html

数据挖掘方面最新软件

<CODE>abstract &nbsp;<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#getOutputAttributes(com.rapidminer.example.table.ExampleTable)">getOutputAttributes</A></B>(<A HREF="../../../com/rapidminer/example/table/ExampleTable.html" title="interface in com.rapidminer.example.table">ExampleTable</A>&nbsp;input)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the generated attributes types.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#getSelectionMode()">getSelectionMode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the attribute with the name of the given attribute from the table.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#hashCode()">hashCode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract &nbsp;<A HREF="../../../com/rapidminer/generator/FeatureGenerator.html" title="class in com.rapidminer.generator">FeatureGenerator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#newInstance()">newInstance</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subclasses must implement this method so that a new instance of this
 generator class is returned.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../com/rapidminer/generator/FeatureGenerator.html" title="class in com.rapidminer.generator">FeatureGenerator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#selectGenerator(com.rapidminer.example.ExampleSet, java.util.List, int, java.lang.String[], com.rapidminer.tools.RandomGenerator)">selectGenerator</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;exampleSet,
                java.util.List&nbsp;generators,
                int&nbsp;maxDepth,
                java.lang.String[]&nbsp;functions,
                <A HREF="../../../com/rapidminer/tools/RandomGenerator.html" title="class in com.rapidminer.tools">RandomGenerator</A>&nbsp;random)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Randomly selects a generator from the generator list.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#setArguments(com.rapidminer.example.Attribute[])">setArguments</A></B>(<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]&nbsp;args)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the arguments (indices) used in future <tt>generate(...)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#setExampleTable(com.rapidminer.example.table.ExampleTable)">setExampleTable</A></B>(<A HREF="../../../com/rapidminer/example/table/ExampleTable.html" title="interface in com.rapidminer.example.table">ExampleTable</A>&nbsp;et)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#setFunction(java.lang.String)">setFunction</A></B>(java.lang.String&nbsp;name)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the function name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#setSelectionMode(int)">setSelectionMode</A></B>(int&nbsp;mode)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/rapidminer/generator/FeatureGenerator.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="SELECTION_MODE_ALL"><!-- --></A><H3>
SELECTION_MODE_ALL</H3>
<PRE>
public static final int <B>SELECTION_MODE_ALL</B></PRE>
<DL>
<DD>Indicates a non-restrictive generator selection mode.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.rapidminer.generator.FeatureGenerator.SELECTION_MODE_ALL">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="SELECTION_MODE_RESTRICTIVE"><!-- --></A><H3>
SELECTION_MODE_RESTRICTIVE</H3>
<PRE>
public static final int <B>SELECTION_MODE_RESTRICTIVE</B></PRE>
<DL>
<DD>Indicates a restrictive generator selection mode.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#com.rapidminer.generator.FeatureGenerator.SELECTION_MODE_RESTRICTIVE">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="resultAttributes"><!-- --></A><H3>
resultAttributes</H3>
<PRE>
protected <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] <B>resultAttributes</B></PRE>
<DL>
<DD>The attributes of the function(s) calculated by this FeatureGenerator.
<P>
<DL>
</DL>
</DL>

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

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

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

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

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

<A NAME="generate(com.rapidminer.example.table.DataRow)"><!-- --></A><H3>
generate</H3>
<PRE>
public abstract void <B>generate</B>(<A HREF="../../../com/rapidminer/example/table/DataRow.html" title="class in com.rapidminer.example.table">DataRow</A>&nbsp;data)
                       throws <A HREF="../../../com/rapidminer/generator/GenerationException.html" title="class in com.rapidminer.generator">GenerationException</A></PRE>
<DL>
<DD>Generates the new attribute values for the example e and returns the new
 attribute values as doubles. <tt>e.getAttribute(getArgument(i))</tt> is
 the correct way to access argument <i>i</i>. If the according
 attribute's type is VALUE_SERIES, the end index can be determined by
 <tt>i_end = getExampleTable().getBlockEndIndex(getArgument(i))</tt>.
 Thus all values of the series can be accessed using indices <i>i</i>
 through <i>i_end</i>.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/rapidminer/generator/GenerationException.html" title="class in com.rapidminer.generator">GenerationException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getInputAttributes()"><!-- --></A><H3>
getInputAttributes</H3>
<PRE>
public abstract <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] <B>getInputAttributes</B>()</PRE>
<DL>
<DD>Returns an array of Attributes where the length is the arity of the
 generator, <tt>[i]</tt> is the attribute type of the i-th argument.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getOutputAttributes(com.rapidminer.example.table.ExampleTable)"><!-- --></A><H3>
getOutputAttributes</H3>
<PRE>
public abstract <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] <B>getOutputAttributes</B>(<A HREF="../../../com/rapidminer/example/table/ExampleTable.html" title="interface in com.rapidminer.example.table">ExampleTable</A>&nbsp;input)</PRE>
<DL>
<DD>Returns the generated attributes types.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="newInstance()"><!-- --></A><H3>
newInstance</H3>
<PRE>
public abstract <A HREF="../../../com/rapidminer/generator/FeatureGenerator.html" title="class in com.rapidminer.generator">FeatureGenerator</A> <B>newInstance</B>()</PRE>
<DL>
<DD>Subclasses must implement this method so that a new instance of this
 generator class is returned. The arguments and the example table will not
 be cloned and thus be null. This kind of clone is needed as generating
 algorithms must be able to clone generators form their pool without
 changing the arguments already set for the others.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setFunction(java.lang.String)"><!-- --></A><H3>
setFunction</H3>
<PRE>
public abstract void <B>setFunction</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD>Sets the function name. This method is only useful if subclasses can
 generate more than one function. (like the
 BasicArithmeticOperationGenerator).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getFunction()"><!-- --></A><H3>
getFunction</H3>
<PRE>
public abstract java.lang.String <B>getFunction</B>()</PRE>
<DL>
<DD>Sets the function name. This method is only useful if subclasses can
 generate more than one function. (like the
 BasicArithmeticOperationGenerator).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getInputCandidates(com.rapidminer.example.ExampleSet, int, java.lang.String[])"><!-- --></A><H3>
getInputCandidates</H3>
<PRE>
public abstract java.util.List&lt;<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]&gt; <B>getInputCandidates</B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;exampleSet,
                                                               int&nbsp;maxDepth,
                                                               java.lang.String[]&nbsp;functions)</PRE>
<DL>
<DD>Returns all compatible input attribute arrays for this generator from the
 given example set as list. Features with a depth greater than maxDepth or
 which contains one of the given functions should not be used as input
 candidates. Subclasses must consider if the generator is self-applicable
 or commutative. A maxDepth of -1 means that no maximal depth should be
 considered.
<P>
<DD><DL>
</DL>