BootstrapVMatrix.h

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// -*- C++ -*-

// PLearn (A C++ Machine Learning Library)
// Copyright (C) 2003 Olivier Delalleau
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
// 
//  3. The name of the authors may not be used to endorse or promote
//     products derived from this software without specific prior written
//     permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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// This file is part of the PLearn library. For more information on the PLearn
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/* *******************************************************      
   * $Id: BootstrapVMatrix.h,v 1.6 2004/04/20 14:01:07 tihocan Exp $
   ******************************************************* */


#ifndef BootstrapVMatrix_INC
#define BootstrapVMatrix_INC

#include "SelectRowsVMatrix.h"

namespace PLearn {
using namespace std;
 
class BootstrapVMatrix: public SelectRowsVMatrix
{
  typedef SelectRowsVMatrix inherited;

public:

  real frac;
  bool shuffle;

public:

  BootstrapVMatrix();
  
  BootstrapVMatrix(VMat m, real frac, bool shuffle = false);

  PLEARN_DECLARE_OBJECT(BootstrapVMatrix);

  static void declareOptions(OptionList &ol);

  virtual void build();

private:

  void build_();

};

DECLARE_OBJECT_PTR(BootstrapVMatrix);

} // end of namespcae PLearn
#endif

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