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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>DataRow (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.example.table.DataRow class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DataRow (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/DataRow.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/DatabaseExampleTable.html" title="class in com.rapidminer.example.table"><B>PREV CLASS</B></A> <A HREF="../../../../com/rapidminer/example/table/DataRowFactory.html" title="class 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/DataRow.html" target="_top"><B>FRAMES</B></A> <A HREF="DataRow.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 | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <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.example.table</FONT><BR>Class DataRow</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.example.table.DataRow</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/rapidminer/example/table/AbstractSparseArrayDataRow.html" title="class in com.rapidminer.example.table">AbstractSparseArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/BooleanArrayDataRow.html" title="class in com.rapidminer.example.table">BooleanArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/ByteArrayDataRow.html" title="class in com.rapidminer.example.table">ByteArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/DatabaseDataRow.html" title="class in com.rapidminer.example.table">DatabaseDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/DoubleArrayDataRow.html" title="class in com.rapidminer.example.table">DoubleArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/FloatArrayDataRow.html" title="class in com.rapidminer.example.table">FloatArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/IntArrayDataRow.html" title="class in com.rapidminer.example.table">IntArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/LongArrayDataRow.html" title="class in com.rapidminer.example.table">LongArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/NonWritableDataRow.html" title="class in com.rapidminer.example.table">NonWritableDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/ShortArrayDataRow.html" title="class in com.rapidminer.example.table">ShortArrayDataRow</A>, <A HREF="../../../../com/rapidminer/example/table/SparseMapDataRow.html" title="class in com.rapidminer.example.table">SparseMapDataRow</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>DataRow</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL></PRE><P>This interface defines methods for all entries of ExampleTable implementations. It provides a set and get method for the data. Subclasses may use a double array, a sparse representation, a file or a database.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: DataRow.java,v 1.6 2008/05/09 19:22:44 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Simon Fischer, Ingo Mierswa</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#com.rapidminer.example.table.DataRow">Serialized Form</A></DL><HR><P><!-- ======== 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"><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#DataRow()">DataRow</A></B>()</CODE><BR> </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>protected abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#ensureNumberOfColumns(int)">ensureNumberOfColumns</A></B>(int numberOfColumns)</CODE><BR> Ensures that neither <code>get(i)</code> nor <code>put(i,v)</code> throw a runtime exception for all <i>0 <= i <= numberOfColumns</i>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#get(com.rapidminer.example.Attribute)">get</A></B>(<A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> attribute)</CODE><BR> Returns the value stored at the given <A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example"><CODE>Attribute</CODE></A>'s index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#get(int, double)">get</A></B>(int index, double defaultValue)</CODE><BR> Returns the value for the given index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#set(com.rapidminer.example.Attribute, double)">set</A></B>(<A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> attribute, double value)</CODE><BR> Sets the value of the <A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example"><CODE>Attribute</CODE></A> to <code>value</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#set(int, double, double)">set</A></B>(int index, double value, double defaultValue)</CODE><BR> Sets the given data for the given index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#toString()">toString</A></B>()</CODE><BR> Returns a string representation for this data row.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DataRow.html#trim()">trim</A></B>()</CODE><BR> Trims the number of columns to the actually needed number.</TD></TR></TABLE> <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">⌨️ 快捷键说明
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