csvloader.html

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="CSVLoader()"><!-- --></A><H3>
CSVLoader</H3>
<PRE>
public <B>CSVLoader</B>()</PRE>
<DL>
</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="getFileExtension()"><!-- --></A><H3>
getFileExtension</H3>
<PRE>
public java.lang.String <B>getFileExtension</B>()</PRE>
<DL>
<DD>Get the file extension used for arff files
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html#getFileExtension()">getFileExtension</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html" title="interface in weka.core.converters">FileSourcedConverter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the file extension</DL>
</DD>
</DL>
<HR>

<A NAME="getFileDescription()"><!-- --></A><H3>
getFileDescription</H3>
<PRE>
public java.lang.String <B>getFileDescription</B>()</PRE>
<DL>
<DD>Returns a description of the file type.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html#getFileDescription()">getFileDescription</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html" title="interface in weka.core.converters">FileSourcedConverter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a short file description</DL>
</DD>
</DL>
<HR>

<A NAME="retrieveFile()"><!-- --></A><H3>
retrieveFile</H3>
<PRE>
public java.io.File <B>retrieveFile</B>()</PRE>
<DL>
<DD>get the File specified as the source
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html#retrieveFile()">retrieveFile</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html" title="interface in weka.core.converters">FileSourcedConverter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the source file</DL>
</DD>
</DL>
<HR>

<A NAME="setFile(java.io.File)"><!-- --></A><H3>
setFile</H3>
<PRE>
public void <B>setFile</B>(java.io.File&nbsp;file)
             throws java.io.IOException</PRE>
<DL>
<DD>sets the source File
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html#setFile(java.io.File)">setFile</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/FileSourcedConverter.html" title="interface in weka.core.converters">FileSourcedConverter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the source file
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this attribute evaluator
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the evaluator suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD>Resets the loader ready to read a new data set
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setSource(java.io.File)"><!-- --></A><H3>
setSource</H3>
<PRE>
public void <B>setSource</B>(java.io.File&nbsp;file)
               throws java.io.IOException</PRE>
<DL>
<DD>Resets the Loader object and sets the source of the data set to be 
 the supplied File object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Loader.html#setSource(java.io.File)">setSource</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Loader.html" title="interface in weka.core.converters">Loader</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractLoader.html#setSource(java.io.File)">setSource</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractLoader.html" title="class in weka.core.converters">AbstractLoader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the source file.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="getStructure()"><!-- --></A><H3>
getStructure</H3>
<PRE>
public <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getStructure</B>()
                       throws java.io.IOException</PRE>
<DL>
<DD>Determines and returns (if possible) the structure (internally the 
 header) of the data set as an empty set of instances.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Loader.html#getStructure()">getStructure</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Loader.html" title="interface in weka.core.converters">Loader</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractLoader.html#getStructure()">getStructure</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractLoader.html" title="class in weka.core.converters">AbstractLoader</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the structure of the data set as an empty set of Instances
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="getDataSet()"><!-- --></A><H3>
getDataSet</H3>
<PRE>
public <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getDataSet</B>()
                     throws java.io.IOException</PRE>
<DL>
<DD>Return the full data set. If the structure hasn't yet been determined
 by a call to getStructure then method should do so before processing
 the rest of the data set.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Loader.html#getDataSet()">getDataSet</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Loader.html" title="interface in weka.core.converters">Loader</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractLoader.html#getDataSet()">getDataSet</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractLoader.html" title="class in weka.core.converters">AbstractLoader</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the structure of the data set as an empty set of Instances
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if there is no source or parsing fails</DL>
</DD>
</DL>
<HR>

<A NAME="getNextInstance()"><!-- --></A><H3>
getNextInstance</H3>
<PRE>
public <A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>getNextInstance</B>()
                         throws java.io.IOException</PRE>
<DL>
<DD>CSVLoader is unable to process a data set incrementally.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Loader.html#getNextInstance()">getNextInstance</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Loader.html" title="interface in weka.core.converters">Loader</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractLoader.html#getNextInstance()">getNextInstance</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractLoader.html" title="class in weka.core.converters">AbstractLoader</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>never returns without throwing an exception
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - always. CSVLoader is unable to process a data
 set incrementally.</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;args)</PRE>
<DL>
<DD>Main method.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - should contain the name of an input file.</DL>
</DD>
</DL>
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