preprocesspanel.html

weka是机器学习和数据挖掘领域最有影响力的开源项目之一

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<A NAME="setInstancesFromDBQ(java.lang.String, java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
setInstancesFromDBQ</H3>
<PRE>
public void <B>setInstancesFromDBQ</B>(java.lang.String&nbsp;url,
                                java.lang.String&nbsp;user,
                                java.lang.String&nbsp;pw,
                                java.lang.String&nbsp;query)</PRE>
<DL>
<DD>Loads instances from an SQL query the user provided with the
 SqlViewerDialog, then loads the instances in a background process. This is
 done in the IO thread, and an error message is popped up if the IO thread
 is busy.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - the database URL<DD><CODE>user</CODE> - the user to connect as<DD><CODE>pw</CODE> - the password of the user<DD><CODE>query</CODE> - the query for retrieving instances from</DL>
</DD>
</DL>
<HR>

<A NAME="setInstancesFromURLQ()"><!-- --></A><H3>
setInstancesFromURLQ</H3>
<PRE>
public void <B>setInstancesFromURLQ</B>()</PRE>
<DL>
<DD>Queries the user for a URL to load instances from, then loads the
 instances in a background process. This is done in the IO
 thread, and an error message is popped up if the IO thread is busy.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="generateInstances()"><!-- --></A><H3>
generateInstances</H3>
<PRE>
public void <B>generateInstances</B>()</PRE>
<DL>
<DD>sets Instances generated via DataGenerators (pops up a Dialog)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="setInstancesFromFile(weka.core.converters.AbstractFileLoader)"><!-- --></A><H3>
setInstancesFromFile</H3>
<PRE>
public void <B>setInstancesFromFile</B>(<A HREF="../../../weka/core/converters/AbstractFileLoader.html" title="class in weka.core.converters">AbstractFileLoader</A>&nbsp;loader)</PRE>
<DL>
<DD>Loads results from a set of instances retrieved with the supplied loader. 
 This is started in the IO thread, and a dialog is popped up
 if there's a problem.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>loader</CODE> - the loader to use</DL>
</DD>
</DL>
<HR>

<A NAME="setInstancesFromDB(weka.experiment.InstanceQuery)"><!-- --></A><H3>
setInstancesFromDB</H3>
<PRE>
public void <B>setInstancesFromDB</B>(<A HREF="../../../weka/experiment/InstanceQuery.html" title="class in weka.experiment">InstanceQuery</A>&nbsp;iq)</PRE>
<DL>
<DD>Loads instances from a database
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>iq</CODE> - the InstanceQuery object to load from (this is assumed
 to have been already connected to a valid database).</DL>
</DD>
</DL>
<HR>

<A NAME="setInstancesFromURL(java.net.URL)"><!-- --></A><H3>
setInstancesFromURL</H3>
<PRE>
public void <B>setInstancesFromURL</B>(java.net.URL&nbsp;u)</PRE>
<DL>
<DD>Loads instances from a URL.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>u</CODE> - the URL to load from.</DL>
</DD>
</DL>
<HR>

<A NAME="addUndoPoint()"><!-- --></A><H3>
addUndoPoint</H3>
<PRE>
public void <B>addUndoPoint</B>()
                  throws java.lang.Exception</PRE>
<DL>
<DD>Backs up the current state of the dataset, so the changes can be undone.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="undo()"><!-- --></A><H3>
undo</H3>
<PRE>
public void <B>undo</B>()</PRE>
<DL>
<DD>Reverts to the last backed up version of the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="edit()"><!-- --></A><H3>
edit</H3>
<PRE>
public void <B>edit</B>()</PRE>
<DL>
<DD>edits the current instances object in the viewer
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setExplorer(weka.gui.explorer.Explorer)"><!-- --></A><H3>
setExplorer</H3>
<PRE>
public void <B>setExplorer</B>(<A HREF="../../../weka/gui/explorer/Explorer.html" title="class in weka.gui.explorer">Explorer</A>&nbsp;parent)</PRE>
<DL>
<DD>Sets the Explorer to use as parent frame (used for sending notifications
 about changes in the data)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - the parent frame</DL>
</DD>
</DL>
<HR>

<A NAME="getExplorer()"><!-- --></A><H3>
getExplorer</H3>
<PRE>
public <A HREF="../../../weka/gui/explorer/Explorer.html" title="class in weka.gui.explorer">Explorer</A> <B>getExplorer</B>()</PRE>
<DL>
<DD>returns the parent Explorer frame
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the parent</DL>
</DD>
</DL>
<HR>

<A NAME="capabilitiesFilterChanged(weka.gui.explorer.Explorer.CapabilitiesFilterChangeEvent)"><!-- --></A><H3>
capabilitiesFilterChanged</H3>
<PRE>
public void <B>capabilitiesFilterChanged</B>(<A HREF="../../../weka/gui/explorer/Explorer.CapabilitiesFilterChangeEvent.html" title="class in weka.gui.explorer">Explorer.CapabilitiesFilterChangeEvent</A>&nbsp;e)</PRE>
<DL>
<DD>method gets called in case of a change event
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/gui/explorer/Explorer.CapabilitiesFilterChangeListener.html#capabilitiesFilterChanged(weka.gui.explorer.Explorer.CapabilitiesFilterChangeEvent)">capabilitiesFilterChanged</A></CODE> in interface <CODE><A HREF="../../../weka/gui/explorer/Explorer.CapabilitiesFilterChangeListener.html" title="interface in weka.gui.explorer">Explorer.CapabilitiesFilterChangeListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>e</CODE> - the associated change event</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>Tests out the instance-preprocessing panel from the command line.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - ignored</DL>
</DD>
</DL>
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