fix back some errors inserted by previous refactoring
- move PBIL classes in deprecated/, superseeded by the EDO module
This commit is contained in:
parent
aa5dbe82c6
commit
646f20934e
17 changed files with 30 additions and 30 deletions
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@ -22,8 +22,8 @@
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Authors :
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todos@geneura.ugr.es
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Marc Schoenauer
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Ram<EFBFBD>n Casero Ca<EFBFBD>as
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Johann Dr<EFBFBD>o
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Ramón Casero Cañas
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Johann Dreo
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*/
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//-----------------------------------------------------------------------------
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@ -40,7 +40,7 @@ Authors :
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to be consistent with other Combined constructs
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and allow to easily handle more than 2 continuators
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02/2003 Ram<EFBFBD>n Casero Ca<EFBFBD>as - added the removeLast() method
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02/2003 Ramón Casero Cañas - added the removeLast() method
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@ingroup Combination
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*/
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@ -31,7 +31,7 @@
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//-----------------------------------------------------------------------------
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/** EO Factory. A factory is used to create other objects. In particular,
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it can be used so that objects of that kind can<EFBFBD>t be created in any other
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it can be used so that objects of that kind can't be created in any other
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way. It should be instantiated with anything that needs a factory, like selectors
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or whatever; but the instance class should be the parent class from which all the
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object that are going to be created descend. This class basically defines an interface,
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@ -39,7 +39,7 @@ changed. eoObject is used to define a name (#className#)
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that is used when loading or saving the state.
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Previously, this object also defined a print and read
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interface, but it<EFBFBD>s been moved to eoPrintable and eoPersistent.
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interface, but it's been moved to eoPrintable and eoPersistent.
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*/
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/** Defines a name (#className#), used when loading or saving a state.
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@ -79,7 +79,7 @@ public:
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_is >> rate;
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if ( _is ) {
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eoOp<eoClass>* op = operatorFactory.make( _is ); // This reads the rest of the line
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// Add the operators to the selector, don<EFBFBD>t pay attention to the IDs
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// Add the operators to the selector, don't pay attention to the IDs
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opSelectorP->addOp( *op, rate );
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// Keep it in the store, to destroy later
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tmpPVec.push_back( op );
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@ -27,8 +27,8 @@
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//-----------------------------------------------------------------------------
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#include "iostream" // std::istream, std::ostream
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#include "string" // para std::string
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#include <iostream> // std::istream, std::ostream
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#include <string> // para std::string
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/*
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This functionality was separated from eoObject, since it makes no sense to print
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26
eo/src/es.h
26
eo/src/es.h
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@ -36,28 +36,28 @@
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//-----------------------------------------------------------------------------
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// the genotypes - from plain std::vector<double> to full correlated mutation
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#include "eoReal.h"
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#include "eoEsSimple.h"
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#include "eoEsStdev.h"
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#include "eoEsFull.h"
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#include "es/eoReal.h"
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#include "es/eoEsSimple.h"
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#include "es/eoEsStdev.h"
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#include "es/eoEsFull.h"
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// the initialization
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#include "eoEsChromInit.h"
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#include "es/eoEsChromInit.h"
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// general operators
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#include "eoRealOp.h"
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#include "eoNormalMutation.h"
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#include "eoRealAtomXover.h" // for generic operators
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#include "es/eoRealOp.h"
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#include "es/eoNormalMutation.h"
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#include "es/eoRealAtomXover.h" // for generic operators
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// SBX crossover (following Deb)
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#include "eoSBXcross.h"
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#include "es/eoSBXcross.h"
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// ES specific operators
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#include "eoEsGlobalXover.h" // Global ES Xover
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#include "eoEsStandardXover.h" // 2-parents ES Xover
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#include "es/eoEsGlobalXover.h" // Global ES Xover
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#include "es/eoEsStandardXover.h" // 2-parents ES Xover
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// the ES-mutations
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#include "eoEsMutationInit.h"
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#include "eoEsMutate.h"
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#include "es/eoEsMutationInit.h"
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#include "es/eoEsMutate.h"
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#endif
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@ -2,7 +2,7 @@
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* all files: Change from absolute to relative include.
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2007-08-21 Jochen K<EFBFBD>pper <jochen@fhi-berlin.mpg.de>
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2007-08-21 Jochen Küpper <jochen@fhi-berlin.mpg.de>
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* eoBitOp.h (eoNPtsBitXover::operator()): Make sure bit is within
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allocated length of vector points: [0, max_size).
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@ -1,119 +0,0 @@
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoPBILAdditive.h
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// (c) Marc Schoenauer, Maarten Keijzer, 2001
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: Marc.Schoenauer@polytechnique.fr
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mkeijzer@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoPBILAdditive_H
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#define _eoPBILAdditive_H
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#include "../eoDistribUpdater.h"
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#include "eoPBILDistrib.h"
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/**
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* Distribution Class for PBIL algorithm
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* (Population-Based Incremental Learning, Baluja and Caruana 96)
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*
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* This class implements an extended update rule:
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* in the original paper, the authors used
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*
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* p(i)(t+1) = (1-LR)*p(i)(t) + LR*best(i)
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*
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* here the same formula is applied, with some of the best individuals
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* and for some of the worst individuals (with different learning rates)
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*/
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template <class EOT>
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class eoPBILAdditive : public eoDistribUpdater<EOT>
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{
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public:
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/** Ctor with parameters
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* using the default values is equivalent to using eoPBILOrg
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*/
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eoPBILAdditive(double _LRBest, unsigned _nbBest = 1,
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double _tolerance=0.0,
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double _LRWorst = 0.0, unsigned _nbWorst = 0 ) :
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maxBound(1.0-_tolerance), minBound(_tolerance),
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LR(0.0), nbBest(_nbBest), nbWorst(_nbWorst)
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{
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if (nbBest+nbWorst == 0)
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throw std::runtime_error("Must update either from best or from worst in eoPBILAdditive");
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if (_nbBest)
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{
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lrb = _LRBest/_nbBest;
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LR += _LRBest;
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}
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else
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lrb=0.0; // just in case
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if (_nbWorst)
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{
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lrw = _LRWorst/_nbWorst;
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LR += _LRWorst;
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}
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else
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lrw=0.0; // just in case
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}
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/** Update the distribution from the current population */
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virtual void operator()(eoDistribution<EOT> & _distrib, eoPop<EOT>& _pop)
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{
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eoPBILDistrib<EOT>& distrib = dynamic_cast<eoPBILDistrib<EOT>&>(_distrib);
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std::vector<double> & p = distrib.value();
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unsigned i, popSize=_pop.size();
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std::vector<const EOT*> result;
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_pop.sort(result); // is it necessary to sort the whole population?
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// but I'm soooooooo lazy !!!
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for (unsigned g=0; g<distrib.size(); g++)
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{
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p[g] *= (1-LR); // relaxation
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if (nbBest) // update from some of the best
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for (i=0; i<nbBest; i++)
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{
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const EOT & best = (*result[i]);
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if ( best[g] ) // if 1, increase proba
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p[g] += lrb;
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}
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if (nbWorst)
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for (i=popSize-1; i>=popSize-nbWorst; i--)
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{
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const EOT & best = (*result[i]);
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if ( !best[g] ) // if 0, increase proba
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p[g] += lrw;
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}
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// stay in [0,1] (possibly strictly due to tolerance)
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p[g] = std::min(maxBound, p[g]);
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p[g] = std::max(minBound, p[g]);
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}
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}
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private:
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double maxBound, minBound; // proba stay away from 0 and 1 by at least tolerance
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double LR; // learning rate
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unsigned nbBest; // number of Best individuals used for update
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unsigned nbWorst; // number of Worse individuals used for update
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double lrb, lrw; // "local" learning rates (see operator())
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};
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#endif
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@ -1,100 +0,0 @@
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoPBILDistrib.h
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// (c) Marc Schoenauer, 2001
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: Marc.Schoenauer@inria.fr
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoPBILDistrib_H
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#define _eoPBILDistrib_H
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#include "../eoDistribution.h"
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/**
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* Distribution Class for PBIL algorithm
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* (Population-Based Incremental Learning, Baluja and Caruana 96)
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*
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* It encodes a univariate distribution on the space of bitstrings,
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* i.e. one probability for each bit to be one
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*
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* It is an eoValueParam<std::vector<double> > :
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* the std::vector<double> stores the probabilities that each bit is 1
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*
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* It is still pure virtual, as the update method needs to be specified
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*/
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template <class EOT>
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class eoPBILDistrib : public eoDistribution<EOT>,
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public eoValueParam<std::vector<double> >
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{
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public:
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/** Ctor with size of genomes, and update parameters */
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eoPBILDistrib(unsigned _genomeSize) :
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eoDistribution<EOT>(),
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eoValueParam<std::vector<double> >(std::vector<double>(_genomeSize, 0.5), "Distribution"),
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genomeSize(_genomeSize)
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{}
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/** the randomizer of indis */
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virtual void operator()(EOT & _eo)
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{
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_eo.resize(genomeSize); // just in case
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for (unsigned i=0; i<genomeSize; i++)
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_eo[i] = eo::rng.flip(value()[i]);
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_eo.invalidate(); // DO NOT FORGET!!!
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}
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/** Accessor to the genome size */
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unsigned Size() {return genomeSize;}
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/** printing... */
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virtual void printOn(std::ostream& os) const
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{
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os << value().size() << ' ';
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for (unsigned i=0; i<value().size(); i++)
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os << value()[i] << ' ';
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}
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/** reading...*/
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virtual void readFrom(std::istream& is)
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{
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unsigned sz;
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is >> sz;
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value().resize(sz);
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unsigned i;
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for (i = 0; i < sz; ++i)
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{
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double atom;
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is >> atom;
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value()[i] = atom;
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}
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}
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unsigned int size() {return genomeSize;}
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virtual std::string className() const {return "eoPBILDistrib";};
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private:
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unsigned genomeSize; // size of indis
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};
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#endif
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@ -1,78 +0,0 @@
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
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//-----------------------------------------------------------------------------
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// eoPBILOrg.h
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// (c) Marc Schoenauer, Maarten Keijzer, 2001
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/*
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: Marc.Schoenauer@polytechnique.fr
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mkeijzer@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoPBILOrg_H
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#define _eoPBILOrg_H
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#include "eoDistribUpdater.h"
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#include "../eoPBILDistrib.h"
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/**
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* Distribution Class for PBIL algorithm
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* (Population-Based Incremental Learning, Baluja and Caruana 95)
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*
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* This class implements the update rule from the original paper:
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*
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* p(i)(t+1) = (1-LR)*p(i)(t) + LR*best(i)
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*/
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template <class EOT>
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class eoPBILOrg : public eoDistribUpdater<EOT>
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{
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public:
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/** Ctor with size of genomes, and update parameters */
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eoPBILOrg(double _LR, double _tolerance=0.0 ) :
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LR(_LR), maxBound(1.0-_tolerance), minBound(_tolerance)
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{}
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/** Update the distribution from the current population */
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virtual void operator()(eoDistribution<EOT> & _distrib, eoPop<EOT>& _pop)
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{
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const EOT & best = _pop.best_element();
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eoPBILDistrib<EOT>& distrib = dynamic_cast<eoPBILDistrib<EOT>&>(_distrib);
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std::vector<double> & p = distrib.value();
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for (unsigned g=0; g<distrib.size(); g++)
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{
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// double & r = value()[g];
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p[g] *= (1-LR);
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if ( best[g] )
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p[g] += LR;
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// else nothing
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// stay away from 0 and 1
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p[g] = std::min(maxBound, p[g]);
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p[g] = std::max(minBound, p[g]);
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}
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}
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private:
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double LR; // learning rate for best guys
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double maxBound, minBound; // proba stay away from 0 and 1 by at least tolerance
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};
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#endif
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