mgnboost.cpp

C＋＋编写的机器学习算法 Lemga is a C++ package which consists of classes for several learning models and gener

/** @file
 *  $Id: mgnboost.cpp 1917 2005-01-07 01:25:30Z ling $
 */

#include <assert.h>
#include "optimize.h"
#include "mgnboost.h"

REGISTER_CREATOR(lemga::MgnBoost);

namespace lemga {

REAL MgnBoost::train () {
    assert(!convex && grad_desc_view);
    _mgn_gd mgd(this);
    iterative_optimize(_line_search<_mgn_gd,BoostWgt,REAL,REAL>
                       (&mgd, convex? 1.0 : 0.5));
    update_cost_l();
    return cost();
}

} // namespace lemga