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<div class="colorscripter-code" style="color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important; position:relative !important;overflow:auto"><table cellpadding="0" cellspacing="0" class="colorscripter-code-table" style="margin:0;padding:0;border:none;background-color:#fafafa;border-radius:4px;"> <tbody> <tr> <td style="padding:6px;border-right:2px solid #e5e5e5"> <div style="margin:0;padding:0;word-break:normal;text-align:right;color:#666;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="line-height:130%">1</div> <div style="line-height:130%">2</div> <div style="line-height:130%">3</div> <div style="line-height:130%">4</div> <div style="line-height:130%">5</div> <div style="line-height:130%">6</div> <div style="line-height:130%">7</div> <div style="line-height:130%">8</div> <div style="line-height:130%">9</div> <div style="line-height:130%">10</div> <div style="line-height:130%">11</div> <div style="line-height:130%">12</div> <div style="line-height:130%">13</div> <div style="line-height:130%">14</div> <div style="line-height:130%">15</div> <div style="line-height:130%">16</div> <div style="line-height:130%">17</div> <div style="line-height:130%">18</div> <div style="line-height:130%">19</div> <div style="line-height:130%">20</div> <div style="line-height:130%">21</div> </div> </td> <td style="padding:6px 0;text-align:left"> <div style="margin:0;padding:0;color:#010101;font-family:Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;line-height:130%"> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999">#</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999"># 따라하며 배우는 파이썬과 데이터과학(생능출판사 2020)</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999"># 14.19 새로운 꽃에 대해서 모델을 적용하고 분류해 보자, 389쪽</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999">#</span></div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">from</span> sklearn.datasets <span style="color:#a71d5d">import</span> load_iris </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">from</span> sklearn.model_selection <span style="color:#a71d5d">import</span> train_test_split </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#a71d5d">from</span> sklearn.neighbors <span style="color:#a71d5d">import</span> KNeighborsClassifier </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%">iris <span style="color:#a71d5d">=</span> load_iris() </div> <div style="padding:0 6px; white-space:pre; line-height:130%">knn <span style="color:#a71d5d">=</span> KNeighborsClassifier(n_neighbors<span style="color:#a71d5d">=</span><span style="color:#0099cc">6</span>) </div> <div style="padding:0 6px; white-space:pre; line-height:130%">knn.fit(iris.data, iris.target)</div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%">classes <span style="color:#a71d5d">=</span> {<span style="color:#0099cc">0</span>:<span style="color:#63a35c">'setosa'</span>, <span style="color:#0099cc">1</span>:<span style="color:#63a35c">'versicolor'</span>, <span style="color:#0099cc">2</span>:<span style="color:#63a35c">'virginica'</span>} </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#999999"># 아직 보지 못한 새로운 데이터를 제시해 보자. </span></div> <div style="padding:0 6px; white-space:pre; line-height:130%">X <span style="color:#a71d5d">=</span> [[<span style="color:#0099cc">3</span>,<span style="color:#0099cc">4</span>,<span style="color:#0099cc">5</span>,<span style="color:#0099cc">2</span>], </div> <div style="padding:0 6px; white-space:pre; line-height:130%">[<span style="color:#0099cc">5</span>,<span style="color:#0099cc">4</span>,<span style="color:#0099cc">2</span>,<span style="color:#0099cc">2</span>]] </div> <div style="padding:0 6px; white-space:pre; line-height:130%">y <span style="color:#a71d5d">=</span> knn.predict(X) </div> <div style="padding:0 6px; white-space:pre; line-height:130%"> </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#066de2">print</span>(classes[y[<span style="color:#0099cc">0</span>]]) </div> <div style="padding:0 6px; white-space:pre; line-height:130%"><span style="color:#066de2">print</span>(classes[y[<span style="color:#0099cc">1</span>]]) </div> </div> <div style="text-align:right;margin-top:-13px;margin-right:5px;font-size:9px;font-style:italic"><a href="http://colorscripter.com/info#e" style="color:#e5e5e5text-decoration:none" target="_blank">Colored by Color Scripter</a></div> </td> <td style="vertical-align:bottom;padding:0 2px 4px 0"><a href="http://colorscripter.com/info#e" style="text-decoration:none;color:white" target="_blank"><span style="font-size:9px;word-break:normal;background-color:#e5e5e5;color:white;border-radius:10px;padding:1px">cs</span></a></td> </tr> </tbody></table></div>
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