databaseresultproducer.html

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<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultListener.html#preProcess(weka.experiment.ResultProducer)">preProcess</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultListener.html" title="interface in weka.experiment">ResultListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/experiment/DatabaseResultListener.html#preProcess(weka.experiment.ResultProducer)">preProcess</A></CODE> in class <CODE><A HREF="../../weka/experiment/DatabaseResultListener.html" title="class in weka.experiment">DatabaseResultListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rp</CODE> - the ResultProducer that will generate the results
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs during preprocessing.</DL>
</DD>
</DL>
<HR>

<A NAME="postProcess(weka.experiment.ResultProducer)"><!-- --></A><H3>
postProcess</H3>
<PRE>
public void <B>postProcess</B>(<A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A>&nbsp;rp)
                 throws java.lang.Exception</PRE>
<DL>
<DD>When this method is called, it indicates that no more results
 will be sent that need to be grouped together in any way.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultListener.html#postProcess(weka.experiment.ResultProducer)">postProcess</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultListener.html" title="interface in weka.experiment">ResultListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/experiment/DatabaseResultListener.html#postProcess(weka.experiment.ResultProducer)">postProcess</A></CODE> in class <CODE><A HREF="../../weka/experiment/DatabaseResultListener.html" title="class in weka.experiment">DatabaseResultListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rp</CODE> - the ResultProducer that generated the results
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="preProcess()"><!-- --></A><H3>
preProcess</H3>
<PRE>
public void <B>preProcess</B>()
                throws java.lang.Exception</PRE>
<DL>
<DD>Prepare to generate results. The ResultProducer should call
 preProcess(this) on the ResultListener it is to send results to.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#preProcess()">preProcess</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs during preprocessing.</DL>
</DD>
</DL>
<HR>

<A NAME="postProcess()"><!-- --></A><H3>
postProcess</H3>
<PRE>
public void <B>postProcess</B>()
                 throws java.lang.Exception</PRE>
<DL>
<DD>When this method is called, it indicates that no more requests to
 generate results for the current experiment will be sent. The
 ResultProducer should call preProcess(this) on the
 ResultListener it is to send results to.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#postProcess()">postProcess</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="acceptResult(weka.experiment.ResultProducer, java.lang.Object[], java.lang.Object[])"><!-- --></A><H3>
acceptResult</H3>
<PRE>
public void <B>acceptResult</B>(<A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A>&nbsp;rp,
                         java.lang.Object[]&nbsp;key,
                         java.lang.Object[]&nbsp;result)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Accepts results from a ResultProducer.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultListener.html#acceptResult(weka.experiment.ResultProducer, java.lang.Object[], java.lang.Object[])">acceptResult</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultListener.html" title="interface in weka.experiment">ResultListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/experiment/DatabaseResultListener.html#acceptResult(weka.experiment.ResultProducer, java.lang.Object[], java.lang.Object[])">acceptResult</A></CODE> in class <CODE><A HREF="../../weka/experiment/DatabaseResultListener.html" title="class in weka.experiment">DatabaseResultListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rp</CODE> - the ResultProducer that generated the results<DD><CODE>key</CODE> - an array of Objects (Strings or Doubles) that uniquely
 identify a result for a given ResultProducer with given compatibilityState<DD><CODE>result</CODE> - the results stored in an array. The objects stored in
 the array may be Strings, Doubles, or null (for the missing value).
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the result could not be accepted.</DL>
</DD>
</DL>
<HR>

<A NAME="isResultRequired(weka.experiment.ResultProducer, java.lang.Object[])"><!-- --></A><H3>
isResultRequired</H3>
<PRE>
public boolean <B>isResultRequired</B>(<A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A>&nbsp;rp,
                                java.lang.Object[]&nbsp;key)
                         throws java.lang.Exception</PRE>
<DL>
<DD>Determines whether the results for a specified key must be
 generated.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultListener.html#isResultRequired(weka.experiment.ResultProducer, java.lang.Object[])">isResultRequired</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultListener.html" title="interface in weka.experiment">ResultListener</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/experiment/DatabaseResultListener.html#isResultRequired(weka.experiment.ResultProducer, java.lang.Object[])">isResultRequired</A></CODE> in class <CODE><A HREF="../../weka/experiment/DatabaseResultListener.html" title="class in weka.experiment">DatabaseResultListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rp</CODE> - the ResultProducer wanting to generate the results<DD><CODE>key</CODE> - an array of Objects (Strings or Doubles) that uniquely
 identify a result for a given ResultProducer with given compatibilityState
<DT><B>Returns:</B><DD>true if the result should be generated
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if it could not be determined if the result 
 is needed.</DL>
</DD>
</DL>
<HR>

<A NAME="getKeyNames()"><!-- --></A><H3>
getKeyNames</H3>
<PRE>
public java.lang.String[] <B>getKeyNames</B>()
                               throws java.lang.Exception</PRE>
<DL>
<DD>Gets the names of each of the columns produced for a single run.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#getKeyNames()">getKeyNames</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing the name of each column
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong.</DL>
</DD>
</DL>
<HR>

<A NAME="getKeyTypes()"><!-- --></A><H3>
getKeyTypes</H3>
<PRE>
public java.lang.Object[] <B>getKeyTypes</B>()
                               throws java.lang.Exception</PRE>
<DL>
<DD>Gets the data types of each of the columns produced for a single run.
 This method should really be static.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#getKeyTypes()">getKeyTypes</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing objects of the type of each column. The 
 objects should be Strings, or Doubles.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong.</DL>
</DD>
</DL>
<HR>

<A NAME="getResultNames()"><!-- --></A><H3>
getResultNames</H3>
<PRE>
public java.lang.String[] <B>getResultNames</B>()
                                  throws java.lang.Exception</PRE>
<DL>
<DD>Gets the names of each of the columns produced for a single run.
 A new result field is added for the number of results used to
 produce each average.
 If only averages are being produced the names are not altered, if
 standard deviations are produced then "Dev_" and "Avg_" are prepended
 to each result deviation and average field respectively.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#getResultNames()">getResultNames</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing the name of each column
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong.</DL>
</DD>
</DL>
<HR>

<A NAME="getResultTypes()"><!-- --></A><H3>
getResultTypes</H3>
<PRE>
public java.lang.Object[] <B>getResultTypes</B>()
                                  throws java.lang.Exception</PRE>
<DL>
<DD>Gets the data types of each of the columns produced for a single run.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#getResultTypes()">getResultTypes</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing objects of the type of each column. The 
 objects should be Strings, or Doubles.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if something goes wrong.</DL>
</DD>
</DL>
<HR>

<A NAME="getCompatibilityState()"><!-- --></A><H3>
getCompatibilityState</H3>
<PRE>
public java.lang.String <B>getCompatibilityState</B>()</PRE>
<DL>
<DD>Gets a description of the internal settings of the result
 producer, sufficient for distinguishing a ResultProducer
 instance from another with different settings (ignoring
 those settings set through this interface). For example,
 a cross-validation ResultProducer may have a setting for the
 number of folds. For a given state, the results produced should
 be compatible. Typically if a ResultProducer is an OptionHandler,
 this string will represent the command line arguments required
 to set the ResultProducer to that state.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/experiment/ResultProducer.html#getCompatibilityState()">getCompatibilityState</A></CODE> in interface <CODE><A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the description of the ResultProducer state, or null
 if no state is defined</DL>
</DD>
</DL>
<HR>

<A NAME="listOptions()"><!-- --></A><H3>
listOptions</H3>
<PRE>
public java.util.Enumeration <B>listOptions</B>()</PRE>
<DL>
<DD>Returns an enumeration describing the available options..
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/OptionHandler.html#listOptions()">listOptions</A></CODE> in interface <CODE><A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an enumeration of all the available options.</DL>
</DD>
</DL>
<HR>

<A NAME="setOptions(java.lang.String[])"><!-- --></A><H3>
setOptions</H3>
<PRE>
public void <B>setOptions</B>(java.lang.String[]&nbsp;options)
                throws java.lang.Exception</PRE>
<DL>
<DD>Parses a given list of options. <p/>

   <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -F &lt;field name&gt;
  The name of the database field to cache over.
  eg: "Fold" (default none)</pre>
 
 <pre> -W &lt;class name&gt;
  The full class name of a ResultProducer.
  eg: weka.experiment.CrossValidationResultProducer</pre>
 
 <pre> 
 Options specific to result producer weka.experiment.CrossValidationResultProducer:
 </pre>
 
 <pre> -X &lt;number of folds&gt;
  The number of folds to use for the cross-validation.
  (default 10)</pre>
 
 <pre> -D
 Save raw split evaluator output.</pre>
 
 <pre> -O &lt;file/directory name/path&gt;
  The filename where raw output will be stored.
  If a directory name is specified then then individual
  outputs will be gzipped, otherwise all output will be
  zipped to the named file. Use in conjuction with -D. (default splitEvalutorOut.zip)</pre>
 
 <pre> -W &lt;class name&gt;
  The full class name of a SplitEvaluator.
  eg: weka.experiment.ClassifierSplitEvaluator</pre>
 
 <pre> 
 Options specific to split evaluator weka.experiment.ClassifierSplitEvaluator:
 </pre>