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<div class="title">missing_policy.hpp</div> </div>
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<a href="missing__policy_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="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef MLPACK_CORE_DATA_MAP_POLICIES_MISSING_POLICY_HPP</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define MLPACK_CORE_DATA_MAP_POLICIES_MISSING_POLICY_HPP</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <<a class="code" href="prereqs_8hpp.html">mlpack/prereqs.hpp</a>></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <unordered_map></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <boost/bimap.hpp></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <<a class="code" href="datatype_8hpp.html">mlpack/core/data/map_policies/datatype.hpp</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="namespacemlpack.html">mlpack</a> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>data {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html"> 31</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html">MissingPolicy</a></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">public</span>:</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// typedef of MappedType</span></div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a093159435747f5b07673ae6fcba98f89"> 35</a></span>  <span class="keyword">using</span> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a093159435747f5b07673ae6fcba98f89">MappedType</a> = double;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a8f579fdbf1c7a1a5832a60531066ec76"> 37</a></span>  <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a8f579fdbf1c7a1a5832a60531066ec76">MissingPolicy</a>()</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// Nothing to initialize here.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a5b649c67ccc2cb1b5704aaefbe66ac95"> 49</a></span>  <span class="keyword">explicit</span> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a5b649c67ccc2cb1b5704aaefbe66ac95">MissingPolicy</a>(std::set<std::string> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>) :</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  missingSet(<a class="code" href="namespacestd.html">std</a>::move(missingSet))</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// Nothing to initialize here.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a6644072cce4d7a4d2cbeab002a528012"> 56</a></span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a6644072cce4d7a4d2cbeab002a528012">NeedsFirstPass</a> = <span class="keyword">false</span>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">template</span><<span class="keyword">typename</span> T></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a978f5894b8f237a126dfc96e3e491790"> 63</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a978f5894b8f237a126dfc96e3e491790">MapFirstPass</a>(<span class="keyword">const</span> <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a>& <span class="comment">/* string */</span>, <span class="keyword">const</span> <span class="keywordtype">size_t</span> <span class="comment">/* dim */</span>)</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// Nothing to do.</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</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="keyword">template</span><<span class="keyword">typename</span> MapType, <span class="keyword">typename</span> T></div><div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a3c88da433a1e46ba5da8612a7346018d"> 83</a></span>  T <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a3c88da433a1e46ba5da8612a7346018d">MapString</a>(<span class="keyword">const</span> <a class="code" href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">std::string</a>& <span class="keywordtype">string</span>,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> dimension,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  MapType& maps,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::vector<Datatype>& <span class="comment">/* types */</span>)</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  static_assert(std::numeric_limits<T>::has_quiet_NaN == <span class="keyword">true</span>,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="stringliteral">"Cannot use MissingPolicy with types where has_quiet_NaN() is false!"</span>);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// If we can load the string then there is no need for mapping.</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  std::stringstream token;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  token.str(<span class="keywordtype">string</span>);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  T t;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  token >> t; <span class="comment">// Could be sped up by only doing this if we need to.</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// If extraction of the value fails, or if it is a value that is supposed to</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// be mapped, then do mapping.</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (token.fail() || !token.eof() ||</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>.find(<span class="keywordtype">string</span>) != std::end(<a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>))</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// Everything is mapped to NaN. However we must still keep track of</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// everything that we have mapped, so we add it to the maps if needed.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (maps.count(dimension) == 0 ||</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  maps[dimension].first.left.count(<span class="keywordtype">string</span>) == 0)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// This string does not exist yet.</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">typedef</span> boost::bimap<std::string, MappedType>::value_type PairType;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  maps[dimension].first.insert(PairType(<span class="keywordtype">string</span>,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::numeric_limits<MappedType>::quiet_NaN()));</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  maps[dimension].second++;</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> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> std::numeric_limits<T>::quiet_NaN();</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="keywordflow">else</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// We can just return the value that we read.</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> t;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> eT, <span class="keyword">typename</span> MapType></div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#ae4ec80386944552fe7c0a175a01fff6d"> 140</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#ae4ec80386944552fe7c0a175a01fff6d">MapTokens</a>(<span class="keyword">const</span> std::vector<std::string>& tokens,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">size_t</span>& row,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  arma::Mat<eT>& matrix,</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  MapType& maps,</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::vector<Datatype>& types)</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// MissingPolicy allows double type matrix only, because it uses NaN.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  static_assert(std::is_same<eT, double>::value, <span class="stringliteral">"You must use double type "</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="stringliteral">" matrix in order to apply MissingPolicy"</span>);</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  std::stringstream token;</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i != tokens.size(); ++i)</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  token.str(tokens[i]);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  token>>matrix.at(row, i);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// if the token is not number, map it.</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// or if token is a number, but is included in the missingSet, map it.</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (token.fail() || <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>.find(tokens[i]) != std::end(<a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>))</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">const</span> eT val = <span class="keyword">static_cast<</span>eT<span class="keyword">></span>(this-><a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a3c88da433a1e46ba5da8612a7346018d">MapString</a>(tokens[i], row, maps,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  types));</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  matrix.at(row, i) = val;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  token.clear();</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// Note that missingSet and maps are different.</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// missingSet specifies which value/string should be mapped and may be a</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// superset of 'maps'.</span></div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104"> 171</a></span>  std::set<std::string> <a class="code" href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">missingSet</a>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }; <span class="comment">// class MissingPolicy</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> } <span class="comment">// namespace data</span></div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a6644072cce4d7a4d2cbeab002a528012"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a6644072cce4d7a4d2cbeab002a528012">mlpack::data::MissingPolicy::NeedsFirstPass</a></div><div class="ttdeci">static const bool NeedsFirstPass</div><div class="ttdoc">This doesn&#39;t need a first pass over the data to set up. </div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00056">missing_policy.hpp:56</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a8f579fdbf1c7a1a5832a60531066ec76"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a8f579fdbf1c7a1a5832a60531066ec76">mlpack::data::MissingPolicy::MissingPolicy</a></div><div class="ttdeci">MissingPolicy()</div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00037">missing_policy.hpp:37</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="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_1data_1_1MissingPolicy_html_a5b649c67ccc2cb1b5704aaefbe66ac95"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a5b649c67ccc2cb1b5704aaefbe66ac95">mlpack::data::MissingPolicy::MissingPolicy</a></div><div class="ttdeci">MissingPolicy(std::set< std::string > missingSet)</div><div class="ttdoc">Create the MissingPolicy object with the given missingSet. </div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00049">missing_policy.hpp:49</a></div></div>
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<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> <a href="prereqs_8hpp_source.html#l00056">prereqs.hpp:56</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a00021ac351541a1fd6815ba39011d104"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a00021ac351541a1fd6815ba39011d104">mlpack::data::MissingPolicy::missingSet</a></div><div class="ttdeci">std::set< std::string > missingSet</div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00171">missing_policy.hpp:171</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a3c88da433a1e46ba5da8612a7346018d"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a3c88da433a1e46ba5da8612a7346018d">mlpack::data::MissingPolicy::MapString</a></div><div class="ttdeci">T MapString(const std::string &string, const size_t dimension, MapType &maps, std::vector< Datatype > &)</div><div class="ttdoc">Given the string and the dimension to which it belongs by the user, and the maps and types given by t...</div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00083">missing_policy.hpp:83</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a978f5894b8f237a126dfc96e3e491790"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a978f5894b8f237a126dfc96e3e491790">mlpack::data::MissingPolicy::MapFirstPass</a></div><div class="ttdeci">void MapFirstPass(const std::string &, const size_t)</div><div class="ttdoc">There is nothing for us to do here, but this is required by the MapPolicy type. </div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00063">missing_policy.hpp:63</a></div></div>
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<div class="ttc" id="bindings_2matlab_2CMakeLists_8txt_html_ad3a3f86b22ab94a882506e9e614165f1"><div class="ttname"><a href="bindings_2matlab_2CMakeLists_8txt.html#ad3a3f86b22ab94a882506e9e614165f1">string</a></div><div class="ttdeci">test cpp RESULT_VARIABLE MEX_RESULT_TRASH OUTPUT_VARIABLE MEX_OUTPUT ERROR_VARIABLE MEX_ERROR_TRASH string(REGEX MATCH"Warning: You are using"MEX_WARNING"${MEX_OUTPUT}") if(MEX_WARNING) string(REGEX REPLACE".*using [a-zA-Z]* version \"([0-9.]*)[^\"]*\".*""\\1"OTHER_COMPILER_VERSION"$</div><div class="ttdef"><b>Definition:</b> <a href="bindings_2matlab_2CMakeLists_8txt_source.html#l00018">CMakeLists.txt:18</a></div></div>
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<div class="ttc" id="datatype_8hpp_html"><div class="ttname"><a href="datatype_8hpp.html">datatype.hpp</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_ae4ec80386944552fe7c0a175a01fff6d"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#ae4ec80386944552fe7c0a175a01fff6d">mlpack::data::MissingPolicy::MapTokens</a></div><div class="ttdeci">void MapTokens(const std::vector< std::string > &tokens, size_t &row, arma::Mat< eT > &matrix, MapType &maps, std::vector< Datatype > &types)</div><div class="ttdoc">MapTokens turns vector of strings into numeric variables and puts them into a given matrix...</div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00140">missing_policy.hpp:140</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html_a093159435747f5b07673ae6fcba98f89"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html#a093159435747f5b07673ae6fcba98f89">mlpack::data::MissingPolicy::MappedType</a></div><div class="ttdeci">double MappedType</div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00035">missing_policy.hpp:35</a></div></div>
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<div class="ttc" id="classmlpack_1_1data_1_1MissingPolicy_html"><div class="ttname"><a href="classmlpack_1_1data_1_1MissingPolicy.html">mlpack::data::MissingPolicy</a></div><div class="ttdoc">MissingPolicy is used as a helper class for DatasetMapper. </div><div class="ttdef"><b>Definition:</b> <a href="missing__policy_8hpp_source.html#l00031">missing_policy.hpp:31</a></div></div>
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