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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_10) on Fri Jan 26 16:36:09 NZDT 2007 --><TITLE>weka.core.converters</TITLE><META NAME="keywords" CONTENT="weka.core.converters package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="weka.core.converters";}</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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </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> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's 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CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Interface Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/BatchConverter.html" title="interface in weka.core.converters">BatchConverter</A></B></TD><TD>Marker interface for a loader/saver that can retrieve instances in batch mode</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/DatabaseConverter.html" title="interface in weka.core.converters">DatabaseConverter</A></B></TD><TD>Marker interface for a loader/saver that uses a database</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/FileSourcedConverter.html" title="interface in weka.core.converters">FileSourcedConverter</A></B></TD><TD>Interface to a loader/saver that loads/saves from a file source.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/IncrementalConverter.html" title="interface in weka.core.converters">IncrementalConverter</A></B></TD><TD>Marker interface for a loader/saver that can retrieve instances incrementally</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/Loader.html" title="interface in weka.core.converters">Loader</A></B></TD><TD>Interface to something that can load Instances from an input source in some format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/Saver.html" title="interface in weka.core.converters">Saver</A></B></TD><TD>Interface to something that can save Instances to an output destination in some format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/URLSourcedLoader.html" title="interface in weka.core.converters">URLSourcedLoader</A></B></TD><TD>Interface to a loader that can load from a http url</TD></TR></TABLE> <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="../../../weka/core/converters/AbstractFileLoader.html" title="class in weka.core.converters">AbstractFileLoader</A></B></TD><TD>Abstract superclass for all file loaders.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/AbstractFileSaver.html" title="class in weka.core.converters">AbstractFileSaver</A></B></TD><TD>Abstract class for Savers that save to a file Valid options are: -i input arff file <br> The input filw in arff format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/AbstractLoader.html" title="class in weka.core.converters">AbstractLoader</A></B></TD><TD>Abstract class gives default implementation of setSource methods.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/AbstractSaver.html" title="class in weka.core.converters">AbstractSaver</A></B></TD><TD>Abstract class for Saver</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/ArffLoader.html" title="class in weka.core.converters">ArffLoader</A></B></TD><TD>Reads a source that is in arff (attribute relation file format) format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/ArffSaver.html" title="class in weka.core.converters">ArffSaver</A></B></TD><TD>Writes to a destination in arff text format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/C45Loader.html" title="class in weka.core.converters">C45Loader</A></B></TD><TD>Reads a file that is C45 format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/C45Saver.html" title="class in weka.core.converters">C45Saver</A></B></TD><TD>Writes to a destination that is in the format used by the C4.5 algorithm.<br/> Therefore it outputs a names and a data file.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/ConverterUtils.html" title="class in weka.core.converters">ConverterUtils</A></B></TD><TD>Utility routines for the converter package.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/ConverterUtils.DataSource.html" title="class in weka.core.converters">ConverterUtils.DataSource</A></B></TD><TD>Helper class for loading data from files and URLs.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/CSVLoader.html" title="class in weka.core.converters">CSVLoader</A></B></TD><TD>Reads a source that is in comma separated or tab separated format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/CSVSaver.html" title="class in weka.core.converters">CSVSaver</A></B></TD><TD>Writes to a destination that is in csv format <p/> <!-- globalinfo-end --> <!-- options-start --> Valid options are: <p/></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/DatabaseConnection.html" title="class in weka.core.converters">DatabaseConnection</A></B></TD><TD>Connects to a database.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/DatabaseLoader.html" title="class in weka.core.converters">DatabaseLoader</A></B></TD><TD>Reads Instances from a Database.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/DatabaseSaver.html" title="class in weka.core.converters">DatabaseSaver</A></B></TD><TD>Writes to a database (tested with MySQL, InstantDB, HSQLDB).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/LibSVMLoader.html" title="class in weka.core.converters">LibSVMLoader</A></B></TD><TD>Reads a source that is in libsvm format.<br/> <br/> For more information about libsvm see:<br/> <br/> http://www.csie.ntu.edu.tw/~cjlin/libsvm/ <p/> <!-- globalinfo-end --></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/LibSVMSaver.html" title="class in weka.core.converters">LibSVMSaver</A></B></TD><TD>Writes to a destination that is in libsvm format.<br/> <br/> For more information about libsvm see:<br/> <br/> http://www.csie.ntu.edu.tw/~cjlin/libsvm/ <p/> <!-- globalinfo-end --> <!-- options-start --> Valid options are: <p/></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/SerializedInstancesLoader.html" title="class in weka.core.converters">SerializedInstancesLoader</A></B></TD><TD>Reads a source that contains serialized Instances.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/SerializedInstancesSaver.html" title="class in weka.core.converters">SerializedInstancesSaver</A></B></TD><TD>Serializes the instances to a file with extension bsi.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/TextDirectoryLoader.html" title="class in weka.core.converters">TextDirectoryLoader</A></B></TD><TD>Loads all text files in a directory and uses the subdirectory names as class labels.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/XRFFLoader.html" title="class in weka.core.converters">XRFFLoader</A></B></TD><TD>Reads a source that is in the XML version of the ARFF format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../weka/core/converters/XRFFSaver.html" title="class in weka.core.converters">XRFFSaver</A></B></TD><TD>Writes to a destination that is in the XML version of the ARFF format.</TD></TR></TABLE> <P><DL></DL><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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 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