nominalattribute.html
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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 01:33:50 CEST 2008 --><TITLE>NominalAttribute (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.example.table.NominalAttribute class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="NominalAttribute (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/NominalAttribute.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/example/table/MemoryExampleTable.html" title="class in com.rapidminer.example.table"><B>PREV CLASS</B></A> <A HREF="../../../../com/rapidminer/example/table/NominalMapping.html" title="interface in com.rapidminer.example.table"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/rapidminer/example/table/NominalAttribute.html" target="_top"><B>FRAMES</B></A> <A HREF="NominalAttribute.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 | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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.example.table</FONT><BR>Class NominalAttribute</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/rapidminer/example/table/AbstractAttribute.html" title="class in com.rapidminer.example.table">com.rapidminer.example.table.AbstractAttribute</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.example.table.NominalAttribute</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>, java.io.Serializable, java.lang.Cloneable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/rapidminer/example/table/BinominalAttribute.html" title="class in com.rapidminer.example.table">BinominalAttribute</A>, <A HREF="../../../../com/rapidminer/example/table/PolynominalAttribute.html" title="class in com.rapidminer.example.table">PolynominalAttribute</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>NominalAttribute</B><DT>extends <A HREF="../../../../com/rapidminer/example/table/AbstractAttribute.html" title="class in com.rapidminer.example.table">AbstractAttribute</A></DL></PRE><P>This class holds all information on a single nominal attribute. In addition to the generic attribute fields this class keeps information about the nominal values and the value to index mappings. If one of the methods designed for numerical attributes was invoked a RuntimeException will be thrown. It will be guaranteed that all values are mapped to indices without any missing values. This could, however, be changed in future versions thus operators should not rely on this fact.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: NominalAttribute.java,v 2.12 2006/04/05 08:57:22 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Ingo Mierswa</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#com.rapidminer.example.table.NominalAttribute">Serialized Form</A></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></TABLE> <A NAME="fields_inherited_from_class_com.rapidminer.example.Attribute"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from interface com.rapidminer.example.<A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../com/rapidminer/example/Attribute.html#MISSING_NOMINAL_VALUE">MISSING_NOMINAL_VALUE</A>, <A HREF="../../../../com/rapidminer/example/Attribute.html#UNDEFINED_ATTRIBUTE_INDEX">UNDEFINED_ATTRIBUTE_INDEX</A>, <A HREF="../../../../com/rapidminer/example/Attribute.html#VIEW_ATTRIBUTE_INDEX">VIEW_ATTRIBUTE_INDEX</A></CODE></TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_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>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/NominalAttribute.html#getAsString(double, int, boolean)">getAsString</A></B>(double value, int digits, boolean quoteWhitespace)</CODE><BR> Returns a string representation and maps the value to a string if type is nominal.</TD>⌨️ 快捷键说明
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