STK_MixtureCriterion.cpp

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/*--------------------------------------------------------------------*/
/*     Copyright (C) 2004-2016  Serge Iovleff
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this program; if not, write to the
    Free Software Foundation, Inc.,
    59 Temple Place,
    Suite 330,
    Boston, MA 02111-1307
    USA
 
    Contact : S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
*/
 
/*
 * Project:  stkpp::Clustering
 * created on: 19 sept. 2014
 * Author:   iovleff, S..._Dot_I..._At_stkpp_Dot_org (see copyright for ...)
 **/
 
#include <Clustering/include/MixtureCriterion/STK_MixtureCriterion.h>
 
namespace STK
{
 
//* Compute AIC Criterion */
bool AICMixtureCriterion::run()
{
  if (!p_composer_)
  { msg_error_ = STKERROR_NO_ARG(AICMixtureCriterion::run,p_composer_ is not set);
    return false;
  }
  value_  = p_composer_->computeAIC();
  return true;
}
 
//* Compute BIC Criterion */
bool BICMixtureCriterion::run()
{
  if (!p_composer_)
  { msg_error_ = STKERROR_NO_ARG(BICMixtureCriterion::run,p_composer_ is not set);
    return false;
  }
  value_  = p_composer_->computeBIC();
  return true;
}
 
/* implementation of the virtual method run */
bool ICLMixtureCriterion::run()
{
  if (!p_composer_)
  { msg_error_ = STKERROR_NO_ARG(ICLMixtureCriterion::run,p_composer_ is not set);
    return false;
  }
  value_  = p_composer_->computeICL();
  return true;
}
 
/* implementation of the virtual method run */
bool MLMixtureCriterion::run()
{
  if (!p_composer_)
  { msg_error_ = STKERROR_NO_ARG(MLMixtureCriterion::run,p_composer_ is not set);
    return false;
  }
  value_  = -2 * p_composer_->lnLikelihood();
  return true;
}
 
 
} // namespace STK