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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 01:36:54 CEST 2008 --><TITLE>com.rapidminer.operator.preprocessing.filter (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.operator.preprocessing.filter package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="com.rapidminer.operator.preprocessing.filter (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 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//--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package com.rapidminer.operator.preprocessing.filter</H2>Containing filter operators changing the input example set, e.g. by removing certain attributes or changing the data.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/AddNominalValue.html" title="class in com.rapidminer.operator.preprocessing.filter">AddNominalValue</A></B></TD><TD>Adds a value to a nominal attribute definition.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/AttributeCopy.html" title="class in com.rapidminer.operator.preprocessing.filter">AttributeCopy</A></B></TD><TD>Adds a copy of a single attribute to the given example set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/AttributeMerge.html" title="class in com.rapidminer.operator.preprocessing.filter">AttributeMerge</A></B></TD><TD>This operator merges two attributes by simply concatenating the values and store those new values in a new attribute which will be nominal.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/AttributeValueMapper.html" title="class in com.rapidminer.operator.preprocessing.filter">AttributeValueMapper</A></B></TD><TD>This operator takes an <code>ExampleSet</code> as input and maps the values of certain attributes to other values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/AttributeValueSubstring.html" title="class in com.rapidminer.operator.preprocessing.filter">AttributeValueSubstring</A></B></TD><TD>This operator creates new attributes from nominal attributes where the new attributes contain only of substrings of the original values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ChangeAttributeName.html" title="class in com.rapidminer.operator.preprocessing.filter">ChangeAttributeName</A></B></TD><TD> This operator can be used to rename an attribute of the input example set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ChangeAttributeRole.html" title="class in com.rapidminer.operator.preprocessing.filter">ChangeAttributeRole</A></B></TD><TD> This operator can be used to change the attribute type of an attribute of the input example set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ChangeAttributeType.html" title="class in com.rapidminer.operator.preprocessing.filter">ChangeAttributeType</A></B></TD><TD> This operator can be used to change the attribute type of an attribute of the input example set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/Date2Nominal.html" title="class in com.rapidminer.operator.preprocessing.filter">Date2Nominal</A></B></TD><TD>This operator transforms the specified date attribute and writes a new nominal attribute in a user specified format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ExampleFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">ExampleFilter</A></B></TD><TD>This operator takes an <A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example"><CODE>ExampleSet</CODE></A> as input and returns a new <A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example"><CODE>ExampleSet</CODE></A> including only the <A HREF="../../../../../com/rapidminer/example/Example.html" title="class in com.rapidminer.example"><CODE>Example</CODE></A>s that fulfill a condition.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ExampleRangeFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">ExampleRangeFilter</A></B></TD><TD>This operator keeps only the examples of a given range (including the borders).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/ExchangeAttributeRoles.html" title="class in com.rapidminer.operator.preprocessing.filter">ExchangeAttributeRoles</A></B></TD><TD>This operator changes the attribute roles of two input attributes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/FeatureBlockTypeFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">FeatureBlockTypeFilter</A></B></TD><TD>This operator switches off all features whose block type matches the one given in the parameter <code>skip_features_of_type</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/FeatureFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">FeatureFilter</A></B></TD><TD>This is an abstract superclass for feature filters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/FeatureNameFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">FeatureNameFilter</A></B></TD><TD>This operator switches off all features whose name matches the one given in the parameter <code>skip_features_with_name</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/FeatureRangeRemoval.html" title="class in com.rapidminer.operator.preprocessing.filter">FeatureRangeRemoval</A></B></TD><TD>This operator removes the attributes of a given range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/preprocessing/filter/FeatureValueTypeFilter.html" title="class in com.rapidminer.operator.preprocessing.filter">FeatureValueTypeFilter</A></B></TD><TD>This operator switches off all features whose value type matches the one given in the parameter <code>skip_features_of_type</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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