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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>class DataSet</TITLE>
<META NAME="GENERATOR" CONTENT="DOC++ 3.4.8">
</HEAD>
<BODY BGCOLOR="#ffffff">
<H2>class <A HREF="#DOC.DOCU">DataSet</A></H2></H2><BLOCKQUOTE>Provides an interface to manipulate all kind of data.</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=125>
<param name=classes value="CObject,MObject.html,CDataSet,MDataSet.html,CSeqDataSet,MSeqDataSet.html,CEuclideanDataSet,MEuclideanDataSet.html">
<param name=before value="M,M,M|_,Mr_">
<param name=after value="Md_,M,M,M">
<param name=indent value="0,1,1,1">
<param name=arrowdir value="down">
</APPLET>
<HR>
<DL>
<P><DL>
<DT><H3>Public Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int* <B><A HREF="#DOC.10.1">selected_examples</A></B>
<DD><I>The indices of all selected examples.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.10.2">current_example</A></B>
<DD><I>Index of the current example.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.10.3">n_targets</A></B>
<DD><I>Targets size, for all examples</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void* <B><A HREF="#DOC.10.4">targets</A></B>
<DD><I>Pointer to the targets of the current example</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.10.5">n_inputs</A></B>
<DD><I>Input size, for all examples</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="List.html">List</A>* <B><A HREF="#DOC.10.6">inputs</A></B>
<DD><I>Pointer on the inputs of the current example</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.10.7">n_examples</A></B>
<DD><I>Number of examples in the dataset.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.10.8">n_real_examples</A></B>
<DD><I>Real number of examples in the dataset.</I>
</DL></P>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.10.9">DataSet</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.10.10">setExample</A></B>(int t)
<DD><I>Set <TT>targets</TT> and <TT>inputs</TT> to the targets and inputs of the example with the index <TT>selected_examples[t]</TT></I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.10.11">setRealExample</A></B>(int t) = 0
<DD><I>Set <TT>targets</TT> and <TT>inputs</TT> to the targets and inputs of the example with the index <TT>t</TT></I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.10.12">pushSubset</A></B>(int* subset_, int n_examples_)
<DD><I>Set a new subset.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.10.13">popSubset</A></B>()
<DD><I>Remove the last subset.</I>
</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>Provides an interface to manipulate all kind of data.
<P></BLOCKQUOTE>
<DL>
<A NAME="selected_examples"></A>
<A NAME="DOC.10.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int* selected_examples</B></TT>
<DD>The indices of all selected examples.
When <TT>select_examples</TT> is false, it contains
the indices of all examples.
<DL><DT><DD></DL><P>
<A NAME="current_example"></A>
<A NAME="DOC.10.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int current_example</B></TT>
<DD>Index of the current example.
Warning:
<UL>
<LI> don't forget to set it in <TT>setRealExample()</TT> !
<LI> it's the <EM>real</EM> index and not the index
in the <TT>selected_examples</TT> table.
</UL>
<DL><DT><DD></DL><P>
<A NAME="n_targets"></A>
<A NAME="DOC.10.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int n_targets</B></TT>
<DD>Targets size, for all examples
<DL><DT><DD></DL><P>
<A NAME="targets"></A>
<A NAME="DOC.10.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void* targets</B></TT>
<DD>Pointer to the targets of the current example
<DL><DT><DD></DL><P>
<A NAME="n_inputs"></A>
<A NAME="DOC.10.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int n_inputs</B></TT>
<DD>Input size, for all examples
<DL><DT><DD></DL><P>
<A NAME="inputs"></A>
<A NAME="DOC.10.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="List.html">List</A>* inputs</B></TT>
<DD>Pointer on the inputs of the current example
<DL><DT><DD></DL><P>
<A NAME="n_examples"></A>
<A NAME="DOC.10.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int n_examples</B></TT>
<DD>Number of examples in the dataset.
If you're using <TT>select_examples</TT>, it's
the number of selected examples.
<DL><DT><DD></DL><P>
<A NAME="n_real_examples"></A>
<A NAME="DOC.10.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int n_real_examples</B></TT>
<DD>Real number of examples in the dataset.
It's the number of examples in memory.
(= <TT>n_examples</TT> if <TT>select_examples</TT> is false)
<DL><DT><DD></DL><P>
<A NAME="DataSet"></A>
<A NAME="DOC.10.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> DataSet()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="setExample"></A>
<A NAME="DOC.10.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setExample(int t)</B></TT>
<DD>Set <TT>targets</TT> and <TT>inputs</TT> to the targets and inputs
of the example with the index <TT>selected_examples[t]</TT>
<DL><DT><DD></DL><P>
<A NAME="setRealExample"></A>
<A NAME="DOC.10.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void setRealExample(int t) = 0</B></TT>
<DD>Set <TT>targets</TT> and <TT>inputs</TT> to the targets and inputs
of the example with the index <TT>t</TT>
<DL><DT><DD></DL><P>
<A NAME="pushSubset"></A>
<A NAME="DOC.10.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void pushSubset(int* subset_, int n_examples_)</B></TT>
<DD>Set a new subset.
<UL>
<LI> <TT>subset_</TT> (of size <TT>n_examples_</TT>) is a set
of indices which define a subset of <TT>data</TT>.
<LI> if a <TT>pushSubset()</TT> has been already called,
the next <TT>pushSubset()</TT> defines a subset of the
previous subset, and so on...
<LI> this function set <TT>select_examples</TT> to <TT>true</TT>
and set the read indices of the examples in
<TT>selected_examples</TT>.
</UL>
<DL><DT><DD></DL><P>
<A NAME="popSubset"></A>
<A NAME="DOC.10.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void popSubset()</B></TT>
<DD>Remove the last subset.
<UL>
<LI> recomputes "selected_examples".
<LI> if it was the last subset, set <TT>select_examples</TT>
to <TT>false</TT>.
</UL>
<DL><DT><DD></DL><P></DL>
<HR>
<DL><DT><B>Direct child classes:
</B><DD><A HREF="SeqDataSet.html">SeqDataSet</A><BR>
<A HREF="EuclideanDataSet.html">EuclideanDataSet</A><BR>
</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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