addnoise.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

<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setAttributeIndex(java.lang.String)">setAttributeIndex</A></B>(java.lang.String&nbsp;attIndex)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets index of the attribute used.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setInputFormat(weka.core.Instances)">setInputFormat</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;instanceInfo)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the format of the input instances.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[]&nbsp;options)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Parses a given list of options.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setPercent(int)">setPercent</A></B>(int&nbsp;newPercent)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the size of noise data, as a percentage of the original set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setRandomSeed(int)">setRandomSeed</A></B>(int&nbsp;newSeed)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the random number seed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#setUseMissing(boolean)">setUseMissing</A></B>(boolean&nbsp;newUseMissing)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the flag if missing values are treated as extra values.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/AddNoise.html#useMissingTipText()">useMissingTipText</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the tip text for this property</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_weka.filters.Filter"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class weka.filters.<A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">Filter</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../weka/filters/Filter.html#batchFilterFile(weka.filters.Filter, java.lang.String[])">batchFilterFile</A>, <A HREF="../../../../weka/filters/Filter.html#filterFile(weka.filters.Filter, java.lang.String[])">filterFile</A>, <A HREF="../../../../weka/filters/Filter.html#getOutputFormat()">getOutputFormat</A>, <A HREF="../../../../weka/filters/Filter.html#isFirstBatchDone()">isFirstBatchDone</A>, <A HREF="../../../../weka/filters/Filter.html#isNewBatch()">isNewBatch</A>, <A HREF="../../../../weka/filters/Filter.html#isOutputFormatDefined()">isOutputFormatDefined</A>, <A HREF="../../../../weka/filters/Filter.html#makeCopies(weka.filters.Filter, int)">makeCopies</A>, <A HREF="../../../../weka/filters/Filter.html#makeCopy(weka.filters.Filter)">makeCopy</A>, <A HREF="../../../../weka/filters/Filter.html#numPendingOutput()">numPendingOutput</A>, <A HREF="../../../../weka/filters/Filter.html#output()">output</A>, <A HREF="../../../../weka/filters/Filter.html#outputPeek()">outputPeek</A>, <A HREF="../../../../weka/filters/Filter.html#useFilter(weka.core.Instances, weka.filters.Filter)">useFilter</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<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>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<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="AddNoise()"><!-- --></A><H3>
AddNoise</H3>
<PRE>
public <B>AddNoise</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="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this filter
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the filter suitable for
 displaying in the explorer/experimenter gui</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> -C &lt;col&gt;
  Index of the attribute to be changed 
  (default last attribute)</pre>
 
 <pre> -M
  Treat missing values as an extra value 
 </pre>
 
 <pre> -P &lt;num&gt;
  Specify the percentage of noise introduced 
  to the data (default 10)</pre>
 
 <pre> -S &lt;num&gt;
  Specify the random number seed (default 1)</pre>
 
   <!-- options-end -->
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/OptionHandler.html#setOptions(java.lang.String[])">setOptions</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>Parameters:</B><DD><CODE>options</CODE> - the list of options as an array of strings
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an option is not supported</DL>
</DD>
</DL>
<HR>

<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<DD>Gets the current settings of the filter.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/OptionHandler.html#getOptions()">getOptions</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 array of strings suitable for passing to setOptions</DL>
</DD>
</DL>
<HR>

<A NAME="useMissingTipText()"><!-- --></A><H3>
useMissingTipText</H3>
<PRE>
public java.lang.String <B>useMissingTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getUseMissing()"><!-- --></A><H3>
getUseMissing</H3>
<PRE>
public boolean <B>getUseMissing</B>()</PRE>
<DL>
<DD>Gets the flag if missing values are treated as extra values.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the flag missing values.</DL>
</DD>
</DL>
<HR>

<A NAME="setUseMissing(boolean)"><!-- --></A><H3>
setUseMissing</H3>
<PRE>
public void <B>setUseMissing</B>(boolean&nbsp;newUseMissing)</PRE>
<DL>
<DD>Sets the flag if missing values are treated as extra values.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newUseMissing</CODE> - the new flag value.</DL>
</DD>
</DL>
<HR>

<A NAME="randomSeedTipText()"><!-- --></A><H3>
randomSeedTipText</H3>
<PRE>
public java.lang.String <B>randomSeedTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getRandomSeed()"><!-- --></A><H3>
getRandomSeed</H3>
<PRE>
public int <B>getRandomSeed</B>()</PRE>
<DL>
<DD>Gets the random number seed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the random number seed.</DL>
</DD>
</DL>
<HR>

<A NAME="setRandomSeed(int)"><!-- --></A><H3>
setRandomSeed</H3>
<PRE>
public void <B>setRandomSeed</B>(int&nbsp;newSeed)</PRE>
<DL>
<DD>Sets the random number seed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newSeed</CODE> - the new random number seed.</DL>
</DD>
</DL>
<HR>