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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Mon Jul 14 01:36:37 CEST 2008 --><TITLE>ParameterIteration (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.operator.meta.ParameterIteration class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ParameterIteration (RapidMiner Class Documentation)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/ParameterIteration.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html" title="class in com.rapidminer.operator.meta"><B>PREV CLASS</B></A> <A HREF="../../../../com/rapidminer/operator/meta/ParameterOptimizationOperator.html" title="class in com.rapidminer.operator.meta"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/rapidminer/operator/meta/ParameterIteration.html" target="_top"><B>FRAMES</B></A> <A HREF="ParameterIteration.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.rapidminer.operator.meta</FONT><BR>Class ParameterIteration</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/rapidminer/operator/Operator.html" title="class in com.rapidminer.operator">com.rapidminer.operator.Operator</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/rapidminer/operator/OperatorChain.html" title="class in com.rapidminer.operator">com.rapidminer.operator.OperatorChain</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html" title="class in com.rapidminer.operator.meta">com.rapidminer.operator.meta.ParameterIteratingOperatorChain</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.operator.meta.ParameterIteration</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/rapidminer/gui/wizards/ConfigurationListener.html" title="interface in com.rapidminer.gui.wizards">ConfigurationListener</A>, <A HREF="../../../../com/rapidminer/gui/wizards/PreviewListener.html" title="interface in com.rapidminer.gui.wizards">PreviewListener</A>, <A HREF="../../../../com/rapidminer/parameter/ParameterHandler.html" title="interface in com.rapidminer.parameter">ParameterHandler</A>, <A HREF="../../../../com/rapidminer/tools/LoggingHandler.html" title="interface in com.rapidminer.tools">LoggingHandler</A></DD></DL><HR><DL><DT><PRE>public class <B>ParameterIteration</B><DT>extends <A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html" title="class in com.rapidminer.operator.meta">ParameterIteratingOperatorChain</A></DL></PRE><P><p>In contrast to the <A HREF="../../../../com/rapidminer/operator/meta/GridSearchParameterOptimizationOperator.html" title="class in com.rapidminer.operator.meta"><CODE>GridSearchParameterOptimizationOperator</CODE></A> operator this operators simply uses the defined parameters and perform the inner operators for all possible combinations. This can be especially usefull for plotting or logging purposes and sometimes also for simply configuring the parameters for the inner operators as a sort of meta step (e.g. learning curve generation).</p> <p>This operator iterates through a set of parameters by using all possible parameter combinations. The parameter <var>parameters</var> is a list of key value pairs where the keys are of the form <code>operator_name.parameter_name</code> and the value is either a comma separated list of values (e.g. 10,15,20,25) or an interval definition in the format [start;end;stepsize] (e.g. [10;25;5]). Additionally, the format [start;end;steps;scale] is allowed.</p> <p>Please note that this operator has two modes: synchronized and non-synchronized. In the latter, all parameter combinations are generated and the inner operators are applied for each combination. In the synchronized mode, no combinations are generated but the set of all pairs of the increasing number of parameters are used. For the iteration over a single parameter there is no difference between both modes. Please note that the number of parameter possibilities must be the same for all parameters in the synchronized mode.</p><P><P><DL><DT><B>Version:</B></DT> <DD>$Id: ParameterIteration.java,v 1.11 2006/04/05 08:57:26 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Ingo Mierswa, Tobias Malbrecht</DD></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/operator/meta/ParameterIteration.html#PARAMETER_KEEP_OUTPUT">PARAMETER_KEEP_OUTPUT</A></B></CODE><BR> The parameter name for "Keep the output of the last operator in the operator chain"</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/operator/meta/ParameterIteration.html#PARAMETER_PARAMETERS">PARAMETER_PARAMETERS</A></B></CODE><BR> The parameter name for "A list of parameters to optimize"</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/operator/meta/ParameterIteration.html#PARAMETER_SYNCHRONIZE">PARAMETER_SYNCHRONIZE</A></B></CODE><BR> The parameter name for "Synchronize parameter iteration"</TD></TR></TABLE> <A NAME="fields_inherited_from_class_com.rapidminer.operator.meta.ParameterIteratingOperatorChain"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class com.rapidminer.operator.meta.<A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html" title="class in com.rapidminer.operator.meta">ParameterIteratingOperatorChain</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html#PARAMETER_VALUES">PARAMETER_VALUES</A>, <A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html#VALUE_MODE_CONTINUOUS">VALUE_MODE_CONTINUOUS</A>, <A HREF="../../../../com/rapidminer/operator/meta/ParameterIteratingOperatorChain.html#VALUE_MODE_DISCRETE">VALUE_MODE_DISCRETE</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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