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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-beta2) on Tue Jun 22 21:55:05 EDT 2004 --><TITLE>DatasetReader (jBNC - Bayesian Network Classifiers Toolbox API)</TITLE><META NAME="keywords" CONTENT="jbnc.dataset.DatasetReader class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DatasetReader (jBNC - Bayesian Network Classifiers Toolbox API)";}</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" 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ALIGN="right" VALIGN="top" ROWSPAN=3><EM>jBNC Toolbox</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../jbnc/dataset/DatasetInt.html" title="class in jbnc.dataset"><B>PREV CLASS</B></A> <A HREF="../../jbnc/dataset/DatasetReaderInt.html" title="class in jbnc.dataset"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/dataset/DatasetReader.html" target="_top"><B>FRAMES</B></A> <A HREF="DatasetReader.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">jbnc.dataset</FONT><BR>Class DatasetReader</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>jbnc.dataset.DatasetReader</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../jbnc/dataset/DatasetReaderInt.html" title="class in jbnc.dataset">DatasetReaderInt</A></DD></DL><HR><DL><DT><PRE>public class <B>DatasetReader</B><DT>extends java.lang.Object</DL></PRE><P>Functions for reading data sets with test cases.<P><P><DL><DT><B>Since:</B></DT> <DD>June 1, 1999</DD><DT><B>Author:</B></DT> <DD>Jarek Sacha</DD><DT><B>See Also:</B><DD><A HREF="../../jbnc/dataset/Dataset.html" title="class in jbnc.dataset"><CODE>Dataset</CODE></A>, <A HREF="../../jbnc/dataset/NamesReader.html" title="class in jbnc.dataset"><CODE>NamesReader</CODE></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="../../jbnc/dataset/DatasetReader.html#DatasetReader()">DatasetReader</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 java.util.Vector</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/dataset/DatasetReader.html#convertCase(java.util.Vector, jbnc.dataset.AttributeSpecs[])">convertCase</A></B>(java.util.Vector rawData, <A HREF="../../jbnc/dataset/AttributeSpecs.html" title="class in jbnc.dataset">AttributeSpecs</A>[] names)</CODE><BR> Convert case from a raw format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/dataset/DatasetReader.html#getDiscardIncompleteCases()">getDiscardIncompleteCases</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Vector</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/dataset/DatasetReader.html#open(java.lang.String, jbnc.dataset.AttributeSpecs[])">open</A></B>(java.lang.String fileName, <A HREF="../../jbnc/dataset/AttributeSpecs.html" title="class in jbnc.dataset">AttributeSpecs</A>[] names)</CODE><BR> Reads a data file with cases - comma delimited, no header.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../jbnc/dataset/Dataset.html" title="class in jbnc.dataset">Dataset</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/dataset/DatasetReader.html#open(java.lang.String, java.lang.String)">open</A></B>(java.lang.String fileName, java.lang.String className)</CODE><BR> Reads a data file with cases - comma delimited, with header.</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="../../jbnc/dataset/DatasetReader.html#setDiscardIncompleteCases(boolean)">setDiscardIncompleteCases</A></B>(boolean discardIncompleteCases)</CODE><BR> </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"><TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="DatasetReader()"><!-- --></A><H3>DatasetReader</H3><PRE>public <B>DatasetReader</B>()</PRE><DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="setDiscardIncompleteCases(boolean)"><!-- --></A><H3>setDiscardIncompleteCases</H3><PRE>public void <B>setDiscardIncompleteCases</B>(boolean discardIncompleteCases)</PRE><DL><DD><DL><DT><B>Parameters:</B><DD><CODE>discardIncompleteCases</CODE> - </DL></DD></DL><HR><A NAME="getDiscardIncompleteCases()"><!-- --></A><H3>getDiscardIncompleteCases</H3><PRE>public boolean <B>getDiscardIncompleteCases</B>()</PRE><DL><DD><DL><DT><B>Returns:</B><DD>discardIncompleteCases</DL></DD></DL><HR><A NAME="open(java.lang.String, jbnc.dataset.AttributeSpecs[])"><!-- --></A><H3>open</H3><PRE>public java.util.Vector <B>open</B>(java.lang.String fileName, <A HREF="../../jbnc/dataset/AttributeSpecs.html" title="class in jbnc.dataset">AttributeSpecs</A>[] names) throws java.lang.Exception</PRE><DL><DD>Reads a data file with cases - comma delimited, no header. This function is typically used to read files in c4.5 format, description of attributes needs to be read from the '.names' first using jbnc.dataset.NamesReader.open().<P><DD><DL><DT><B>Parameters:</B><DD><CODE>names</CODE> - Descriptions of columns in the file.<DD><CODE>fileName</CODE> - Description of Parameter<DT><B>Returns:</B><DD>Vector of vectors representing cases. Each case attribute is allocated in type defined by 'names' parameters.<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</DL></DD></DL><HR><A NAME="open(java.lang.String, java.lang.String)"><!-- --></A><H3>open</H3><PRE>public <A HREF="../../jbnc/dataset/Dataset.html" title="class in jbnc.dataset">Dataset</A> <B>open</B>(java.lang.String fileName, java.lang.String className) throws java.lang.Exception</PRE><DL><DD>Reads a data file with cases - comma delimited, with header. First line in the file gives names of attributes (columns). In current implementation the attributes are assumed to be discrete.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>fileName</CODE> - Name of the file to read data from.<DD><CODE>className</CODE> - Name of the attribute representing class. If it is null, it is assumed that the last column represents class.<DT><B>Returns:</B><DD>Vector of vectors representing cases. Each case attribute is allocated in type defined by 'names' parameters.<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</DL></DD></DL><HR><A NAME="convertCase(java.util.Vector, jbnc.dataset.AttributeSpecs[])"><!-- --></A><H3>convertCase</H3><PRE>protected java.util.Vector <B>convertCase</B>(java.util.Vector rawData, <A HREF="../../jbnc/dataset/AttributeSpecs.html" title="class in jbnc.dataset">AttributeSpecs</A>[] names) throws java.lang.Exception</PRE><DL><DD>Convert case from a raw format.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>rawData</CODE> - Description of Parameter<DD><CODE>names</CODE> - Description of Parameter<DT><B>Returns:</B><DD>Description of the Returned Value<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><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 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="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> <a href="http://jbnc.sourceforge.net"> <img src="http://sourceforge.net/sflogo.php?group_id=49871&type=1" width="88" height="31" border="0" alt="SourceForge.net Logo"> </a> </EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../jbnc/dataset/DatasetInt.html" title="class in jbnc.dataset"><B>PREV CLASS</B></A> <A HREF="../../jbnc/dataset/DatasetReaderInt.html" title="class in jbnc.dataset"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/dataset/DatasetReader.html" target="_top"><B>FRAMES</B></A> <A HREF="DatasetReader.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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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