STK_ILinearReduct.h

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/*--------------------------------------------------------------------*/
/*     Copyright (C) 2004-2007  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 : Serge.Iovleff@stkpp.org
*/

/*
 * Project:  stkpp::AAModels
 * created on: 17 avr. 2010
 * Purpose:  Abstract class for the computation of the Index in the SLAAM.
 * Author:   iovleff, serge.iovleff@stkpp.org
 *
 **/

#ifndef STK_ILINEAREDUCT_H
#define STK_ILINEAREDUCT_H

#include "../../Arrays/include/STK_Vector.h"
#include "../../Arrays/include/STK_Matrix.h"

#include "STK_IReduct.h"

namespace STK
{
class ILinearReduct : public IReduct
{
  protected:
    ILinearReduct( Matrix const& data);

  public:
    virtual ~ILinearReduct();

    bool run();
    bool run(Vector const& weights);

    inline Integer const& nbAxis() const { return dim_;}
    inline Vector const& indexValues() const { return index_values_; }
    inline Matrix const& axis() const { return axis_; }

  protected:
    Vector index_values_;
    Matrix axis_;
    virtual void maximizeIndex() =0;
    virtual void maximizeIndex( const Vector& weights) =0;
    void projection();
};

} // namespace STK

#endif /* STK_ILINEARREDUCT_H */