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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HEAD>
<TITLE>class SVMRegression</TITLE>
<META NAME="GENERATOR" CONTENT="DOC++ 3.4.8">
</HEAD>
<BODY BGCOLOR="#ffffff">
<H2>class <A HREF="#DOC.DOCU">SVMRegression</A></H2></H2><BLOCKQUOTE>SVM in regression.</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=155>
<param name=classes value="CObject,MObject.html,CMachine,MMachine.html,CQCMachine,MQCMachine.html,CSVM,MSVM.html,CSVMRegression,MSVMRegression.html">
<param name=before value="M,M,M,M,M">
<param name=after value="Md_SPSPSP,Md_SPSP,Md_SP,Md_,M">
<param name=indent value="0,1,2,3,4">
<param name=arrowdir value="down">
</APPLET>
<HR>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.47.1">SVMRegression</A></B>(<!1><A HREF="Kernel.html">Kernel</A>* kernel_, real* C_=NULL)
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="SVM.html">SVM</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="DataSet.html">DataSet</A>* <B>data</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Kernel.html">Kernel</A>* <B>kernel</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real <B>C_cst</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real <B>b</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int* <B>support_vectors</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int* <B>real_index</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int <B>n_support_vectors</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int <B>n_support_vectors_bound</B>
</DL></P>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>bCompute</B>()
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="QCMachine.html">QCMachine</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>real* <B>Cup</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real* <B>Cdown</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real <B>eps_bornes</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int <B>l</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real* <B>alpha</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real* <B>grad</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>real* <B>y</B>
</DL></P>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>checkSupportVectors</B>()
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Machine.html">Machine</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>int <B>n_inputs</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>int <B>n_outputs</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="List.html">List</A>* <B>outputs</B>
</DL></P>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>forward</B>(<!1><A HREF="List.html">List</A>* <!1><A HREF="SeqExample.html#DOC.107.3">inputs</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>reset</B>()
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>init</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int size, void* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addIOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, int init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addROption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, real* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, real init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>addBOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, bool* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>, bool init_value, const char* <!1><A HREF="CmdLine.html#DOC.7.3">help</A>="", bool is_allowed_after_init=false)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, void* <!1><A HREF="Vec.html#DOC.81.3">ptr</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setIOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, int option)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setROption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, real option)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setBOption</B>(const char* <!1><A HREF="SeqExample.html#DOC.107.9">name</A>, bool option)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>loadFILE</B>(FILE* <!1><A HREF="Measurer.html#DOC.30.2">file</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>saveFILE</B>(FILE* <!1><A HREF="Measurer.html#DOC.30.2">file</A>)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>load</B>(const char* filename)
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>save</B>(const char* filename)
</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>SVM in regression.
<P>Try to find the hyperplane f(x) = w.x+b
as
<IMG BORDER=0 SRC=g000038.gif> minimize <IMG BORDER=0 SRC=g000044.gif>
<IMG BORDER=0 SRC=g000045.gif>
<P>(where <IMG BORDER=0 SRC=g000040.gif> if <IMG BORDER=0 SRC=g000041.gif>, else <IMG BORDER=0 SRC=g000042.gif>)
(and <IMG BORDER=0 SRC=g000046.gif> is the number of training examples)
(the size of <IMG BORDER=0 SRC=g000047.gif> is here 2*<IMG BORDER=0 SRC=g000046.gif>)
<P>("eps" is <TT>eps_regression</TT> in the code)
<P>(in fact, we use a kernel <TT>kernel</TT> instead of
a dot product)
<P>The <IMG BORDER=0 SRC=g000043.gif> coefficients are given by <TT>C_</TT> when you
call the constructor. If this one is NULL, all
<TT>C_j</TT> will have the value given by the "C" option.
(The size of <TT>C_</TT> <EM>must be</EM> <TT>2*data->n_real_examples</TT>)
<P>Options:
<TABLE BORDER>
<TR><TD>
"eps regression" </TD><TD> real </TD><TD> size of the error tube </TD><TD> [0.7]
</TR></TABLE>
<P></BLOCKQUOTE>
<DL>
<A NAME="SVMRegression"></A>
<A NAME="DOC.47.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> SVMRegression(<!1><A HREF="Kernel.html">Kernel</A>* kernel_, real* C_=NULL)</B></TT>
<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
<DL><DT><DT><B>Author:</B><DD>Ronan Collobert (collober@iro.umontreal.ca)
<DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">HTML hierarchy of classes</A> or <A HREF="HIERjava.html">Java</A></I></P><HR>
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