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<a href="logistic__regression__function_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="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#ifndef MLPACK_METHODS_LOGISTIC_REGRESSION_LOGISTIC_REGRESSION_FUNCTION_HPP</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define MLPACK_METHODS_LOGISTIC_REGRESSION_LOGISTIC_REGRESSION_FUNCTION_HPP</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>regression {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">template</span><<span class="keyword">typename</span> MatType = arma::mat></div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html">LogisticRegressionFunction</a></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">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a8f8a0ea4307d3f41dd4c2f864245eb12">LogisticRegressionFunction</a>(<span class="keyword">const</span> MatType& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0b1bd72084ee29066c58b2d8b0bf84ce">predictors</a>,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">const</span> arma::Row<size_t>& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af7f264fee499538ed85c649f0485e944">responses</a>,</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">lambda</a> = 0);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a8f8a0ea4307d3f41dd4c2f864245eb12">LogisticRegressionFunction</a>(<span class="keyword">const</span> MatType& predictors,</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> arma::Row<size_t>& responses,</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">const</span> arma::vec& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">initialPoint</a>,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">lambda</a> = 0);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a71c8ab5910f1b3d9d79d2606401a73af"> 41</a></span>  <span class="keyword">const</span> arma::mat& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a71c8ab5910f1b3d9d79d2606401a73af">InitialPoint</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">initialPoint</a>; }</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a348c31d2a43ee5f5243ecb1693a09ab5"> 43</a></span>  arma::mat& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a348c31d2a43ee5f5243ecb1693a09ab5">InitialPoint</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">initialPoint</a>; }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab142fc11fc0baa2f9137186009ece105"> 46</a></span>  <span class="keyword">const</span> <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab142fc11fc0baa2f9137186009ece105">Lambda</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">lambda</a>; }</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac79ecd4c714030022b855822d3797e88"> 48</a></span>  <span class="keywordtype">double</span>& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac79ecd4c714030022b855822d3797e88">Lambda</a>() { <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">lambda</a>; }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab58c04750d406c3f3e3de5d8b3e65f7f"> 51</a></span>  <span class="keyword">const</span> MatType& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab58c04750d406c3f3e3de5d8b3e65f7f">Predictors</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0b1bd72084ee29066c58b2d8b0bf84ce">predictors</a>; }</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0331f1eb0524c8baca3e6ce7f8af8ed0"> 53</a></span>  <span class="keyword">const</span> arma::vec& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0331f1eb0524c8baca3e6ce7f8af8ed0">Responses</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af7f264fee499538ed85c649f0485e944">responses</a>; }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a200729c6e8d9f433f930b8880f79eef5">Evaluate</a>(<span class="keyword">const</span> arma::mat& parameters) <span class="keyword">const</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a200729c6e8d9f433f930b8880f79eef5">Evaluate</a>(<span class="keyword">const</span> arma::mat& parameters, <span class="keyword">const</span> <span class="keywordtype">size_t</span> i) <span class="keyword">const</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af03884eac1acde5bfcb583d61ea366a4">Gradient</a>(<span class="keyword">const</span> arma::mat& parameters, arma::mat& gradient) <span class="keyword">const</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af03884eac1acde5bfcb583d61ea366a4">Gradient</a>(<span class="keyword">const</span> arma::mat& parameters,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> i,</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  arma::mat& gradient) <span class="keyword">const</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5bd42c32840e753c1e59a9531356d710"> 108</a></span>  <span class="keyword">const</span> arma::mat& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5bd42c32840e753c1e59a9531356d710">GetInitialPoint</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">initialPoint</a>; }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac0d0ff92d64b228e873ff5f78cbc50c8"> 111</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac0d0ff92d64b228e873ff5f78cbc50c8">NumFunctions</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> predictors.n_cols; }</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="keyword">private</span>:</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd"> 115</a></span>  arma::mat <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">initialPoint</a>;</div><div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0b1bd72084ee29066c58b2d8b0bf84ce"> 117</a></span>  <span class="keyword">const</span> MatType& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0b1bd72084ee29066c58b2d8b0bf84ce">predictors</a>;</div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af7f264fee499538ed85c649f0485e944"> 119</a></span>  <span class="keyword">const</span> arma::Row<size_t>& <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af7f264fee499538ed85c649f0485e944">responses</a>;</div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2"> 121</a></span>  <span class="keywordtype">double</span> <a class="code" href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">lambda</a>;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> };</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> } <span class="comment">// namespace regression</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#include "logistic_regression_function_impl.hpp"</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#endif // MLPACK_METHODS_LOGISTIC_REGRESSION_LOGISTIC_REGRESSION_FUNCTION_HPP</span></div><div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html">mlpack::regression::LogisticRegressionFunction</a></div><div class="ttdoc">The log-likelihood function for the logistic regression objective function. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00028">logistic_regression_function.hpp:28</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_1regression_1_1LogisticRegressionFunction_html_ab436707b0b1bd1d08ad001238dbfd0bd"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab436707b0b1bd1d08ad001238dbfd0bd">mlpack::regression::LogisticRegressionFunction::initialPoint</a></div><div class="ttdeci">arma::mat initialPoint</div><div class="ttdoc">The initial point, from which to start the optimization. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00115">logistic_regression_function.hpp:115</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_1regression_1_1LogisticRegressionFunction_html_a5bd42c32840e753c1e59a9531356d710"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5bd42c32840e753c1e59a9531356d710">mlpack::regression::LogisticRegressionFunction::GetInitialPoint</a></div><div class="ttdeci">const arma::mat & GetInitialPoint() const </div><div class="ttdoc">Return the initial point for the optimization. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00108">logistic_regression_function.hpp:108</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a0b1bd72084ee29066c58b2d8b0bf84ce"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0b1bd72084ee29066c58b2d8b0bf84ce">mlpack::regression::LogisticRegressionFunction::predictors</a></div><div class="ttdeci">const MatType & predictors</div><div class="ttdoc">The matrix of data points (predictors). </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00117">logistic_regression_function.hpp:117</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_ac79ecd4c714030022b855822d3797e88"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac79ecd4c714030022b855822d3797e88">mlpack::regression::LogisticRegressionFunction::Lambda</a></div><div class="ttdeci">double & Lambda()</div><div class="ttdoc">Modify the regularization parameter (lambda). </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00048">logistic_regression_function.hpp:48</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_ab142fc11fc0baa2f9137186009ece105"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab142fc11fc0baa2f9137186009ece105">mlpack::regression::LogisticRegressionFunction::Lambda</a></div><div class="ttdeci">const double & Lambda() const </div><div class="ttdoc">Return the regularization parameter (lambda). </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00046">logistic_regression_function.hpp:46</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_ac0d0ff92d64b228e873ff5f78cbc50c8"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ac0d0ff92d64b228e873ff5f78cbc50c8">mlpack::regression::LogisticRegressionFunction::NumFunctions</a></div><div class="ttdeci">size_t NumFunctions() const </div><div class="ttdoc">Return the number of separable functions (the number of predictor points). </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00111">logistic_regression_function.hpp:111</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a0331f1eb0524c8baca3e6ce7f8af8ed0"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a0331f1eb0524c8baca3e6ce7f8af8ed0">mlpack::regression::LogisticRegressionFunction::Responses</a></div><div class="ttdeci">const arma::vec & Responses() const </div><div class="ttdoc">Return the vector of responses. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00053">logistic_regression_function.hpp:53</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_af7f264fee499538ed85c649f0485e944"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af7f264fee499538ed85c649f0485e944">mlpack::regression::LogisticRegressionFunction::responses</a></div><div class="ttdeci">const arma::Row< size_t > & responses</div><div class="ttdoc">The vector of responses to the input data points. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00119">logistic_regression_function.hpp:119</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a200729c6e8d9f433f930b8880f79eef5"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a200729c6e8d9f433f930b8880f79eef5">mlpack::regression::LogisticRegressionFunction::Evaluate</a></div><div class="ttdeci">double Evaluate(const arma::mat &parameters) const </div><div class="ttdoc">Evaluate the logistic regression log-likelihood function with the given parameters. </div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a71c8ab5910f1b3d9d79d2606401a73af"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a71c8ab5910f1b3d9d79d2606401a73af">mlpack::regression::LogisticRegressionFunction::InitialPoint</a></div><div class="ttdeci">const arma::mat & InitialPoint() const </div><div class="ttdoc">Return the initial point for the optimization. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00041">logistic_regression_function.hpp:41</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a348c31d2a43ee5f5243ecb1693a09ab5"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a348c31d2a43ee5f5243ecb1693a09ab5">mlpack::regression::LogisticRegressionFunction::InitialPoint</a></div><div class="ttdeci">arma::mat & InitialPoint()</div><div class="ttdoc">Modify the initial point for the optimization. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00043">logistic_regression_function.hpp:43</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_af03884eac1acde5bfcb583d61ea366a4"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#af03884eac1acde5bfcb583d61ea366a4">mlpack::regression::LogisticRegressionFunction::Gradient</a></div><div class="ttdeci">void Gradient(const arma::mat &parameters, arma::mat &gradient) const </div><div class="ttdoc">Evaluate the gradient of the logistic regression log-likelihood function with the given parameters...</div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a5058f00c39a8846b5193c5ff81f315e2"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a5058f00c39a8846b5193c5ff81f315e2">mlpack::regression::LogisticRegressionFunction::lambda</a></div><div class="ttdeci">double lambda</div><div class="ttdoc">The regularization parameter for L2-regularization. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00121">logistic_regression_function.hpp:121</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_ab58c04750d406c3f3e3de5d8b3e65f7f"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#ab58c04750d406c3f3e3de5d8b3e65f7f">mlpack::regression::LogisticRegressionFunction::Predictors</a></div><div class="ttdeci">const MatType & Predictors() const </div><div class="ttdoc">Return the matrix of predictors. </div><div class="ttdef"><b>Definition:</b> <a href="logistic__regression__function_8hpp_source.html#l00051">logistic_regression_function.hpp:51</a></div></div>
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<div class="ttc" id="classmlpack_1_1regression_1_1LogisticRegressionFunction_html_a8f8a0ea4307d3f41dd4c2f864245eb12"><div class="ttname"><a href="classmlpack_1_1regression_1_1LogisticRegressionFunction.html#a8f8a0ea4307d3f41dd4c2f864245eb12">mlpack::regression::LogisticRegressionFunction::LogisticRegressionFunction</a></div><div class="ttdeci">LogisticRegressionFunction(const MatType &predictors, const arma::Row< size_t > &responses, const double lambda=0)</div></div>
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