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3.2.1
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src
shogun
converter
NeighborhoodPreservingEmbedding.cpp
浏览该文件的文档.
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Written (W) 2011-2013 Sergey Lisitsyn
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* Copyright (C) 2011-2013 Sergey Lisitsyn
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*/
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#include <
shogun/converter/NeighborhoodPreservingEmbedding.h
>
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#include <
shogun/lib/config.h
>
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#ifdef HAVE_EIGEN3
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#include <
shogun/io/SGIO.h
>
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#include <
shogun/kernel/LinearKernel.h
>
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#include <shogun/lib/tapkee/tapkee_shogun.hpp>
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using namespace
shogun;
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CNeighborhoodPreservingEmbedding::CNeighborhoodPreservingEmbedding
() :
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CLocallyLinearEmbedding
()
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{
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}
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CNeighborhoodPreservingEmbedding::~CNeighborhoodPreservingEmbedding
()
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{
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}
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const
char
*
CNeighborhoodPreservingEmbedding::get_name
()
const
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{
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return
"NeighborhoodPreservingEmbedding"
;
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}
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CFeatures
*
CNeighborhoodPreservingEmbedding::apply
(
CFeatures
* features)
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{
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CKernel
* kernel =
new
CLinearKernel
((
CDotFeatures
*)features,(
CDotFeatures
*)features);
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TAPKEE_PARAMETERS_FOR_SHOGUN parameters;
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parameters.n_neighbors =
m_k
;
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parameters.eigenshift =
m_nullspace_shift
;
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parameters.method = SHOGUN_NEIGHBORHOOD_PRESERVING_EMBEDDING;
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parameters.target_dimension =
m_target_dim
;
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parameters.kernel = kernel;
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parameters.features = (
CDotFeatures
*)features;
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CDenseFeatures<float64_t>
* embedding = tapkee_embed(parameters);
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SG_UNREF
(kernel);
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return
embedding;
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}
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#endif
/* HAVE_EIGEN3 */
SHOGUN
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