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<div class="title">max_variance_new_cluster.hpp</div> </div>
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<a href="max__variance__new__cluster_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_KMEANS_MAX_VARIANCE_NEW_CLUSTER_HPP</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define MLPACK_METHODS_KMEANS_MAX_VARIANCE_NEW_CLUSTER_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>kmeans {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html"> 26</a></span> <span class="keyword">class </span><a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html">MaxVarianceNewCluster</a></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a44e417460f632365dcf7de278b8dd84b"> 30</a></span>  <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a44e417460f632365dcf7de278b8dd84b">MaxVarianceNewCluster</a>() : <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#aab5ea8a18dfdf8e9e0d25c00caff611d">iteration</a>(size_t(-1)) { }</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">template</span><<span class="keyword">typename</span> MetricType, <span class="keyword">typename</span> MatType></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#ab7c4d0e064929e75c1731d44c950ae1a">EmptyCluster</a>(<span class="keyword">const</span> MatType& data,</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> emptyCluster,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> arma::mat& oldCentroids,</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  arma::mat& newCentroids,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  arma::Col<size_t>& clusterCounts,</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  MetricType& metric,</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#aab5ea8a18dfdf8e9e0d25c00caff611d">iteration</a>);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">template</span><<span class="keyword">typename</span> Archive></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#afeae1e0429a721f5847de913a9968ef3">Serialize</a>(Archive& ar, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> version);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#aab5ea8a18dfdf8e9e0d25c00caff611d"> 63</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#aab5ea8a18dfdf8e9e0d25c00caff611d">iteration</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a2548cde6d67b71eb9a9d533c370012be"> 65</a></span>  arma::vec <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a2548cde6d67b71eb9a9d533c370012be">variances</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#acd34e7a1fc23227a825666c4d6ebfa3a"> 67</a></span>  arma::Row<size_t> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#acd34e7a1fc23227a825666c4d6ebfa3a">assignments</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">template</span><<span class="keyword">typename</span> MetricType, <span class="keyword">typename</span> MatType></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> <a class="code" href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a8e3a01fd204f8c5a83260ef0e4f38def">Precalculate</a>(<span class="keyword">const</span> MatType& data,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> arma::mat& oldCentroids,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  arma::Col<size_t>& clusterCounts,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  MetricType& metric);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> };</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> } <span class="comment">// namespace kmeans</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> } <span class="comment">// namespace mlpack</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// Include implementation.</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#include "max_variance_new_cluster_impl.hpp"</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_aab5ea8a18dfdf8e9e0d25c00caff611d"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#aab5ea8a18dfdf8e9e0d25c00caff611d">mlpack::kmeans::MaxVarianceNewCluster::iteration</a></div><div class="ttdeci">size_t iteration</div><div class="ttdoc">Index of iteration for which variance is cached. </div><div class="ttdef"><b>Definition:</b> <a href="max__variance__new__cluster_8hpp_source.html#l00063">max_variance_new_cluster.hpp:63</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_1kmeans_1_1MaxVarianceNewCluster_html_a44e417460f632365dcf7de278b8dd84b"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a44e417460f632365dcf7de278b8dd84b">mlpack::kmeans::MaxVarianceNewCluster::MaxVarianceNewCluster</a></div><div class="ttdeci">MaxVarianceNewCluster()</div><div class="ttdoc">Default constructor required by EmptyClusterPolicy. </div><div class="ttdef"><b>Definition:</b> <a href="max__variance__new__cluster_8hpp_source.html#l00030">max_variance_new_cluster.hpp:30</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_1kmeans_1_1MaxVarianceNewCluster_html"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html">mlpack::kmeans::MaxVarianceNewCluster</a></div><div class="ttdoc">When an empty cluster is detected, this class takes the point furthest from the centroid of the clust...</div><div class="ttdef"><b>Definition:</b> <a href="max__variance__new__cluster_8hpp_source.html#l00026">max_variance_new_cluster.hpp:26</a></div></div>
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<div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_afeae1e0429a721f5847de913a9968ef3"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#afeae1e0429a721f5847de913a9968ef3">mlpack::kmeans::MaxVarianceNewCluster::Serialize</a></div><div class="ttdeci">void Serialize(Archive &ar, const unsigned int version)</div><div class="ttdoc">Serialize the object. </div></div>
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<div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_ab7c4d0e064929e75c1731d44c950ae1a"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#ab7c4d0e064929e75c1731d44c950ae1a">mlpack::kmeans::MaxVarianceNewCluster::EmptyCluster</a></div><div class="ttdeci">size_t EmptyCluster(const MatType &data, const size_t emptyCluster, const arma::mat &oldCentroids, arma::mat &newCentroids, arma::Col< size_t > &clusterCounts, MetricType &metric, const size_t iteration)</div><div class="ttdoc">Take the point furthest from the centroid of the cluster with maximum variance to be a new cluster...</div></div>
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<div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_a8e3a01fd204f8c5a83260ef0e4f38def"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a8e3a01fd204f8c5a83260ef0e4f38def">mlpack::kmeans::MaxVarianceNewCluster::Precalculate</a></div><div class="ttdeci">void Precalculate(const MatType &data, const arma::mat &oldCentroids, arma::Col< size_t > &clusterCounts, MetricType &metric)</div><div class="ttdoc">Called when we are on a new iteration. </div></div>
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<div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_acd34e7a1fc23227a825666c4d6ebfa3a"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#acd34e7a1fc23227a825666c4d6ebfa3a">mlpack::kmeans::MaxVarianceNewCluster::assignments</a></div><div class="ttdeci">arma::Row< size_t > assignments</div><div class="ttdoc">Cached assignments for each point. </div><div class="ttdef"><b>Definition:</b> <a href="max__variance__new__cluster_8hpp_source.html#l00067">max_variance_new_cluster.hpp:67</a></div></div>
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<div class="ttc" id="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster_html_a2548cde6d67b71eb9a9d533c370012be"><div class="ttname"><a href="classmlpack_1_1kmeans_1_1MaxVarianceNewCluster.html#a2548cde6d67b71eb9a9d533c370012be">mlpack::kmeans::MaxVarianceNewCluster::variances</a></div><div class="ttdeci">arma::vec variances</div><div class="ttdoc">Cached variances for each cluster. </div><div class="ttdef"><b>Definition:</b> <a href="max__variance__new__cluster_8hpp_source.html#l00065">max_variance_new_cluster.hpp:65</a></div></div>
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