/usr/include/shogun/multiclass/ecoc/ECOCStrategy.h is in libshogun-dev 3.2.0-7.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Written (W) 2012 Chiyuan Zhang
* Copyright (C) 2012 Chiyuan Zhang
*/
#ifndef ECOCSTRATEGY_H__
#define ECOCSTRATEGY_H__
#include <shogun/multiclass/MulticlassStrategy.h>
#include <shogun/multiclass/ecoc/ECOCEncoder.h>
#include <shogun/multiclass/ecoc/ECOCDecoder.h>
namespace shogun
{
/** Multiclass Strategy that uses ECOC coding */
class CECOCStrategy: public CMulticlassStrategy
{
public:
/** default constructor, do not call, only to make serializer happy */
CECOCStrategy();
/** constructor */
CECOCStrategy(CECOCEncoder *encoder, CECOCDecoder *decoder);
/** destructor */
virtual ~CECOCStrategy();
/** get name */
virtual const char* get_name() const
{
return "ECOCStrategy";
}
/** start training */
virtual void train_start(CMulticlassLabels *orig_labels, CBinaryLabels *train_labels);
/** has more training phase */
virtual bool train_has_more();
/** prepare for the next training phase.
* @return The subset that should be applied. Return NULL when no subset is needed.
*/
virtual SGVector<int32_t> train_prepare_next();
/** decide the final label.
* @param outputs a vector of output from each machine (in that order)
*/
virtual int32_t decide_label(SGVector<float64_t> outputs);
/** get number of machines used in this strategy.
*/
virtual int32_t get_num_machines();
protected:
/** ECOC encoder */
CECOCEncoder *m_encoder;
/** ECOC decoder */
CECOCDecoder *m_decoder;
/** ECOC codebook */
SGMatrix<int32_t> m_codebook;
private:
/** init parameters */
void init();
};
}
#endif /* end of include guard: ECOCSTRATEGY_H__ */
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