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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_10) on Fri Jan 26 16:34:53 NZDT 2007 --><TITLE>InterquartileRange</TITLE><META NAME="keywords" CONTENT="weka.filters.unsupervised.attribute.InterquartileRange class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="InterquartileRange";}</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" 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> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../weka/filters/unsupervised/attribute/FirstOrder.html" title="class in weka.filters.unsupervised.attribute"><B>PREV CLASS</B></A> <A HREF="../../../../weka/filters/unsupervised/attribute/MakeIndicator.html" title="class in weka.filters.unsupervised.attribute"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/filters/unsupervised/attribute/InterquartileRange.html" target="_top"><B>FRAMES</B></A> <A HREF="InterquartileRange.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 | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <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">weka.filters.unsupervised.attribute</FONT><BR>Class InterquartileRange</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/filters/Filter.html" title="class in weka.filters">weka.filters.Filter</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/filters/SimpleFilter.html" title="class in weka.filters">weka.filters.SimpleFilter</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/filters/SimpleBatchFilter.html" title="class in weka.filters">weka.filters.SimpleBatchFilter</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>weka.filters.unsupervised.attribute.InterquartileRange</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A>, <A HREF="../../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></DD></DL><HR><DL><DT><PRE>public class <B>InterquartileRange</B><DT>extends <A HREF="../../../../weka/filters/SimpleBatchFilter.html" title="class in weka.filters">SimpleBatchFilter</A></DL></PRE><P><!-- globalinfo-start --> A filter for detecting outliers and extreme values based on interquartile ranges. The filter skips the class attribute.<br/> <br/> Outliers:<br/> Q3 + OF*IQR < x <= Q3 + EVF*IQR<br/> or<br/> Q1 - EVF*IQR <= x < Q1 - OF*IQR<br/> <br/> Extreme values:<br/> x > Q3 + EVF*IQR<br/> or<br/> x < Q1 - EVF*IQR<br/> <br/> Key:<br/> Q1 = 25% quartile<br/> Q3 = 75% quartile<br/> IQR = Interquartile Range, difference between Q1 and Q3<br/> OF = Outlier Factor<br/> EVF = Extreme Value Factor <p/> <!-- globalinfo-end --> <!-- options-start --> Valid options are: <p/> <pre> -D Turns on output of debugging information.</pre> <pre> -R <col1,col2-col4,...> Specifies list of columns to base outlier/extreme value detection on. If an instance is considered in at least one of those attributes an outlier/extreme value, it is tagged accordingly. 'first' and 'last' are valid indexes. (default none)</pre> <pre> -O <num> The factor for outlier detection. (default: 3)</pre> <pre> -E <num> The factor for extreme values detection. (default: 2*Outlier Factor)</pre> <pre> -E-as-O Tags extreme values also as outliers. (default: off)</pre> <pre> -P Generates Outlier/ExtremeValue pair for each numeric attribute in the range, not just a single indicator pair for all the attributes. (default: off)</pre> <pre> -M Generates an additional attribute 'Offset' per Outlier/ExtremeValue pair that contains the multiplier that the value is off the median. value = median + 'multiplier' * IQR Note: implicitely sets '-P'. (default: off)</pre> <!-- options-end --> Thanks to Dale for a few brainstorming sessions.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.2 $</DD><DT><B>Author:</B></DT> <DD>Dale Fletcher (dale at cs dot waikato dot ac dot nz), fracpete (fracpete at waikato dot ac dot nz)</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#weka.filters.unsupervised.attribute.InterquartileRange">Serialized Form</A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#NON_NUMERIC">NON_NUMERIC</A></B></CODE><BR> indicator for non-numeric attributes</TD></TR></TABLE> <!-- ======== 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="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#InterquartileRange()">InterquartileRange</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> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#attributeIndicesTipText()">attributeIndicesTipText</A></B>()</CODE><BR> Returns the tip text for this property</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#detectionPerAttributeTipText()">detectionPerAttributeTipText</A></B>()</CODE><BR> Returns the tip text for this property</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#extremeValuesAsOutliersTipText()">extremeValuesAsOutliersTipText</A></B>()</CODE><BR> Returns the tip text for this property</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#extremeValuesFactorTipText()">extremeValuesFactorTipText</A></B>()</CODE><BR> Returns the tip text for this property</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getAttributeIndices()">getAttributeIndices</A></B>()</CODE><BR> Gets the current range selection</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getCapabilities()">getCapabilities</A></B>()</CODE><BR> Returns the Capabilities of this filter.</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="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getDetectionPerAttribute()">getDetectionPerAttribute</A></B>()</CODE><BR> Gets whether an Outlier/ExtremeValue attribute pair is generated for each numeric attribute ("true") or just one pair for all numeric attributes together ("false").</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="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getExtremeValuesAsOutliers()">getExtremeValuesAsOutliers</A></B>()</CODE><BR> Get whether extreme values are also tagged as outliers.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getExtremeValuesFactor()">getExtremeValuesFactor</A></B>()</CODE><BR> Gets the factor for determining the thresholds for extreme values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getOptions()">getOptions</A></B>()</CODE><BR> Gets the current settings of the filter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getOutlierFactor()">getOutlierFactor</A></B>()</CODE><BR> Gets the factor for determining the thresholds for outliers.</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="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#getOutputOffsetMultiplier()">getOutputOffsetMultiplier</A></B>()</CODE><BR> Gets whether an additional attribute "Offset" is generated per Outlier/ExtremeValue attribute pair that lists the multiplier the value is off the median: value = median + 'multiplier' * IQR.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#globalInfo()">globalInfo</A></B>()</CODE><BR> Returns a string describing this filter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/filters/unsupervised/attribute/InterquartileRange.html#listOptions()">listOptions</A></B>()</CODE><BR> Returns an enumeration describing the available options.</TD></TR>⌨️ 快捷键说明
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