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<a href="qdafn_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef MLPACK_METHODS_APPROX_KFN_QDAFN_HPP</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#define MLPACK_METHODS_APPROX_KFN_QDAFN_HPP</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="gaussian__distribution_8hpp.html">mlpack/core/dists/gaussian_distribution.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>neighbor {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatType = arma::mat></div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html">QDAFN</a></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#af16b43b20f5964bef61a26fadfb019aa">QDAFN</a>(<span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#af7a661a922a258b717daf70c20d66fcb">l</a>, <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a40d4c085e6242566a3bc27c67abf8f10">m</a>);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#af16b43b20f5964bef61a26fadfb019aa">QDAFN</a>(<span class="keyword">const</span> MatType& referenceSet,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> l,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> m);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a7a14674ff68da091e1d5390c750f7171">Train</a>(<span class="keyword">const</span> MatType& referenceSet,</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> l = 0,</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> m = 0);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a154782197d9579621b68458153a34024">Search</a>(<span class="keyword">const</span> MatType& querySet,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> k,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  arma::Mat<size_t>& neighbors,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  arma::mat& distances);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Archive></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a5b73dd38bb95db77b4620b57ce55882a">Serialize</a>(Archive& ar, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/* version */</span>);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a7d3abcb3cb24c817e1f94fa964c29340"> 87</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a7d3abcb3cb24c817e1f94fa964c29340">NumProjections</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52">candidateSet</a>.size(); }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a021822c20edfea4add0c579f2926d022"> 90</a></span>  <span class="keyword">const</span> MatType& <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a021822c20edfea4add0c579f2926d022">CandidateSet</a>(<span class="keyword">const</span> <span class="keywordtype">size_t</span> t)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52">candidateSet</a>[t]; }</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a8c0c0fe83718fc31d9831f46a6c27bca"> 92</a></span>  MatType& <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a8c0c0fe83718fc31d9831f46a6c27bca">CandidateSet</a>(<span class="keyword">const</span> <span class="keywordtype">size_t</span> t) { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52">candidateSet</a>[t]; }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#af7a661a922a258b717daf70c20d66fcb"> 96</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#af7a661a922a258b717daf70c20d66fcb">l</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a40d4c085e6242566a3bc27c67abf8f10"> 98</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a40d4c085e6242566a3bc27c67abf8f10">m</a>;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a2634cbffc96a3228baaae6ebb96af1c7"> 100</a></span>  arma::mat <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a2634cbffc96a3228baaae6ebb96af1c7">lines</a>;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a1f5b2b242006709862080f92e46fb422"> 102</a></span>  arma::mat <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a1f5b2b242006709862080f92e46fb422">projections</a>;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#abaa9c9cd29641bef51abc08aef7c5202"> 105</a></span>  arma::Mat<size_t> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#abaa9c9cd29641bef51abc08aef7c5202">sIndices</a>;</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a2b2f8bc68ea2f9eb0b380bf858c8a90b"> 107</a></span>  arma::mat <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a2b2f8bc68ea2f9eb0b380bf858c8a90b">sValues</a>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// Candidate sets; one element in the vector for each table.</span></div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52"> 110</a></span>  std::vector<MatType> <a class="code" href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52">candidateSet</a>;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> };</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> } <span class="comment">// namespace neighbor</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#include "qdafn_impl.hpp"</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a021822c20edfea4add0c579f2926d022"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a021822c20edfea4add0c579f2926d022">mlpack::neighbor::QDAFN::CandidateSet</a></div><div class="ttdeci">const MatType & CandidateSet(const size_t t) const </div><div class="ttdoc">Get the candidate set for the given projection table. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00090">qdafn.hpp:90</a></div></div>
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<div class="ttc" id="gaussian__distribution_8hpp_html"><div class="ttname"><a href="gaussian__distribution_8hpp.html">gaussian_distribution.hpp</a></div></div>
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<div class="ttc" id="namespacemlpack_html"><div class="ttname"><a href="namespacemlpack.html">mlpack</a></div><div class="ttdoc">Linear algebra utility functions, generally performed on matrices or vectors. </div><div class="ttdef"><b>Definition:</b> <a href="binarize_8hpp_source.html#l00018">binarize.hpp:18</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a8c0c0fe83718fc31d9831f46a6c27bca"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a8c0c0fe83718fc31d9831f46a6c27bca">mlpack::neighbor::QDAFN::CandidateSet</a></div><div class="ttdeci">MatType & CandidateSet(const size_t t)</div><div class="ttdoc">Modify the candidate set for the given projection table. Careful! </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00092">qdafn.hpp:92</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a40d4c085e6242566a3bc27c67abf8f10"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a40d4c085e6242566a3bc27c67abf8f10">mlpack::neighbor::QDAFN::m</a></div><div class="ttdeci">size_t m</div><div class="ttdoc">The number of elements to store for each projection. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00098">qdafn.hpp:98</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a2634cbffc96a3228baaae6ebb96af1c7"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a2634cbffc96a3228baaae6ebb96af1c7">mlpack::neighbor::QDAFN::lines</a></div><div class="ttdeci">arma::mat lines</div><div class="ttdoc">The random lines we are projecting onto. Has l columns. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00100">qdafn.hpp:100</a></div></div>
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<div class="ttc" id="prereqs_8hpp_html"><div class="ttname"><a href="prereqs_8hpp.html">prereqs.hpp</a></div><div class="ttdoc">The core includes that mlpack expects; standard C++ includes and Armadillo. </div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_af16b43b20f5964bef61a26fadfb019aa"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#af16b43b20f5964bef61a26fadfb019aa">mlpack::neighbor::QDAFN::QDAFN</a></div><div class="ttdeci">QDAFN(const size_t l, const size_t m)</div><div class="ttdoc">Construct the QDAFN object but do not train it. </div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a154782197d9579621b68458153a34024"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a154782197d9579621b68458153a34024">mlpack::neighbor::QDAFN::Search</a></div><div class="ttdeci">void Search(const MatType &querySet, const size_t k, arma::Mat< size_t > &neighbors, arma::mat &distances)</div><div class="ttdoc">Search for the k furthest neighbors of the given query set. </div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html">mlpack::neighbor::QDAFN</a></div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00034">qdafn.hpp:34</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_abaa9c9cd29641bef51abc08aef7c5202"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#abaa9c9cd29641bef51abc08aef7c5202">mlpack::neighbor::QDAFN::sIndices</a></div><div class="ttdeci">arma::Mat< size_t > sIndices</div><div class="ttdoc">Indices of the points for each S. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00105">qdafn.hpp:105</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a7d3abcb3cb24c817e1f94fa964c29340"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a7d3abcb3cb24c817e1f94fa964c29340">mlpack::neighbor::QDAFN::NumProjections</a></div><div class="ttdeci">size_t NumProjections() const </div><div class="ttdoc">Get the number of projections. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00087">qdafn.hpp:87</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a05e5f6345d5437369fcf9679fbd5ea52"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a05e5f6345d5437369fcf9679fbd5ea52">mlpack::neighbor::QDAFN::candidateSet</a></div><div class="ttdeci">std::vector< MatType > candidateSet</div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00110">qdafn.hpp:110</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a5b73dd38bb95db77b4620b57ce55882a"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a5b73dd38bb95db77b4620b57ce55882a">mlpack::neighbor::QDAFN::Serialize</a></div><div class="ttdeci">void Serialize(Archive &ar, const unsigned int)</div><div class="ttdoc">Serialize the model. </div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a2b2f8bc68ea2f9eb0b380bf858c8a90b"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a2b2f8bc68ea2f9eb0b380bf858c8a90b">mlpack::neighbor::QDAFN::sValues</a></div><div class="ttdeci">arma::mat sValues</div><div class="ttdoc">Values of a_i * x for each point in S. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00107">qdafn.hpp:107</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_af7a661a922a258b717daf70c20d66fcb"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#af7a661a922a258b717daf70c20d66fcb">mlpack::neighbor::QDAFN::l</a></div><div class="ttdeci">size_t l</div><div class="ttdoc">The number of projections. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00096">qdafn.hpp:96</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a1f5b2b242006709862080f92e46fb422"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a1f5b2b242006709862080f92e46fb422">mlpack::neighbor::QDAFN::projections</a></div><div class="ttdeci">arma::mat projections</div><div class="ttdoc">Projections of each point onto each random line. </div><div class="ttdef"><b>Definition:</b> <a href="qdafn_8hpp_source.html#l00102">qdafn.hpp:102</a></div></div>
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<div class="ttc" id="classmlpack_1_1neighbor_1_1QDAFN_html_a7a14674ff68da091e1d5390c750f7171"><div class="ttname"><a href="classmlpack_1_1neighbor_1_1QDAFN.html#a7a14674ff68da091e1d5390c750f7171">mlpack::neighbor::QDAFN::Train</a></div><div class="ttdeci">void Train(const MatType &referenceSet, const size_t l=0, const size_t m=0)</div><div class="ttdoc">Train the QDAFN model on the given reference set, optionally setting new parameters for the number of...</div></div>
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