/usr/include/shogun/converter/Isomap.h is in libshogun-dev 3.2.0-7.3build4.
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) 2011-2013 Sergey Lisitsyn
* Copyright (C) 2011-2013 Berlin Institute of Technology and Max-Planck-Society
*/
#ifndef ISOMAP_H_
#define ISOMAP_H_
#include <shogun/lib/config.h>
#ifdef HAVE_EIGEN3
#include <shogun/converter/MultidimensionalScaling.h>
#include <shogun/io/SGIO.h>
#include <shogun/features/DenseFeatures.h>
#include <shogun/features/Features.h>
#include <shogun/distance/Distance.h>
namespace shogun
{
class CFeatures;
class CDistance;
/** @brief class Isomap used to embed data using Isomap algorithm
* as described in
*
* Silva, V. D., & Tenenbaum, J. B. (2003).
* Global versus local methods in nonlinear dimensionality reduction.
* Advances in Neural Information Processing Systems 15, 15(Figure 2), 721-728. MIT Press.
* Retrieved from http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.9.3407&rep=rep1&type=pdf
*
* It is possible to apply preprocessor to specified distance using
* apply_to_distance.
*
* Uses implementation from the Tapkee library.
*
* To use this converter with static interfaces please refer it by
* sg('create_converter','isomap',k);
*
*/
class CIsomap: public CMultidimensionalScaling
{
public:
/* constructor */
CIsomap();
/* destructor */
virtual ~CIsomap();
/** get name */
const char* get_name() const;
/** setter for k parameter
* @param k value
*/
void set_k(int32_t k);
/** getter for k parameter
* @return k value
*/
int32_t get_k() const;
/** embed distance */
virtual CDenseFeatures<float64_t>* embed_distance(CDistance* distance);
/// HELPERS
protected:
/** default init */
virtual void init();
/// FIELDS
protected:
/** k, number of neighbors for K-Isomap */
int32_t m_k;
};
}
#endif /* HAVE_EIGEN3 */
#endif /* ISOMAP_H_ */
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