doc/images/iris.svg

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<!-- Title: Tree Pages: 1 -->
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<title>Tree</title>
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<!-- 0 -->
<g id="node1" class="node"><title>0</title>
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<text text-anchor="start" x="380" y="-652.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal length (cm) ≤ 2.45</text>
<text text-anchor="start" x="412.5" y="-637.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.6667</text>
<text text-anchor="start" x="407" y="-622.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 150</text>
<text text-anchor="start" x="394" y="-607.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [50, 50, 50]</text>
<text text-anchor="start" x="408.5" y="-592.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = setosa</text>
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<!-- 1 -->
<g id="node2" class="node"><title>1</title>
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<text text-anchor="start" x="347" y="-524.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="334" y="-509.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 50</text>
<text text-anchor="start" x="324.5" y="-494.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [50, 0, 0]</text>
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<!-- 0&#45;&gt;1 -->
<g id="edge1" class="edge"><title>0&#45;&gt;1</title>
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<polygon fill="black" stroke="black" points="405.095,-546.714 396.699,-540.252 399.232,-550.54 405.095,-546.714"/>
<text text-anchor="middle" x="391.555" y="-561.017" font-family="Helvetica,sans-Serif" font-size="14.00">True</text>
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<!-- 2 -->
<g id="node3" class="node"><title>2</title>
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<text text-anchor="start" x="459.5" y="-532.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal width (cm) ≤ 1.75</text>
<text text-anchor="start" x="501" y="-517.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.5</text>
<text text-anchor="start" x="484" y="-502.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 100</text>
<text text-anchor="start" x="474.5" y="-487.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 50, 50]</text>
<text text-anchor="start" x="476.5" y="-472.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
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<!-- 0&#45;&gt;2 -->
<g id="edge2" class="edge"><title>0&#45;&gt;2</title>
<path fill="none" stroke="black" d="M478.499,-584.391C484.428,-575.306 490.778,-565.574 496.906,-556.183"/>
<polygon fill="black" stroke="black" points="499.918,-557.971 502.452,-547.684 494.056,-554.146 499.918,-557.971"/>
<text text-anchor="middle" x="507.596" y="-568.449" font-family="Helvetica,sans-Serif" font-size="14.00">False</text>
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<!-- 3 -->
<g id="node4" class="node"><title>3</title>
<path fill="#39e581" fill-opacity="0.894118" stroke="black" d="M484,-427.5C484,-427.5 348,-427.5 348,-427.5 342,-427.5 336,-421.5 336,-415.5 336,-415.5 336,-356.5 336,-356.5 336,-350.5 342,-344.5 348,-344.5 348,-344.5 484,-344.5 484,-344.5 490,-344.5 496,-350.5 496,-356.5 496,-356.5 496,-415.5 496,-415.5 496,-421.5 490,-427.5 484,-427.5"/>
<text text-anchor="start" x="344" y="-412.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal length (cm) ≤ 4.95</text>
<text text-anchor="start" x="380.5" y="-397.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.168</text>
<text text-anchor="start" x="375" y="-382.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 54</text>
<text text-anchor="start" x="365.5" y="-367.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 49, 5]</text>
<text text-anchor="start" x="363.5" y="-352.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
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<!-- 2&#45;&gt;3 -->
<g id="edge3" class="edge"><title>2&#45;&gt;3</title>
<path fill="none" stroke="black" d="M490.112,-464.391C481.056,-454.935 471.33,-444.778 462,-435.035"/>
<polygon fill="black" stroke="black" points="464.404,-432.485 454.96,-427.684 459.348,-437.327 464.404,-432.485"/>
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<!-- 12 -->
<g id="node13" class="node"><title>12</title>
<path fill="#8139e5" fill-opacity="0.976471" stroke="black" d="M710,-427.5C710,-427.5 574,-427.5 574,-427.5 568,-427.5 562,-421.5 562,-415.5 562,-415.5 562,-356.5 562,-356.5 562,-350.5 568,-344.5 574,-344.5 574,-344.5 710,-344.5 710,-344.5 716,-344.5 722,-350.5 722,-356.5 722,-356.5 722,-415.5 722,-415.5 722,-421.5 716,-427.5 710,-427.5"/>
<text text-anchor="start" x="570" y="-412.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal length (cm) ≤ 4.85</text>
<text text-anchor="start" x="602.5" y="-397.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0425</text>
<text text-anchor="start" x="601" y="-382.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 46</text>
<text text-anchor="start" x="591.5" y="-367.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 1, 45]</text>
<text text-anchor="start" x="593.5" y="-352.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
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<!-- 2&#45;&gt;12 -->
<g id="edge12" class="edge"><title>2&#45;&gt;12</title>
<path fill="none" stroke="black" d="M567.888,-464.391C576.944,-454.935 586.67,-444.778 596,-435.035"/>
<polygon fill="black" stroke="black" points="598.652,-437.327 603.04,-427.684 593.596,-432.485 598.652,-437.327"/>
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<!-- 4 -->
<g id="node5" class="node"><title>4</title>
<path fill="#39e581" fill-opacity="0.976471" stroke="black" d="M260.25,-307.5C260.25,-307.5 129.75,-307.5 129.75,-307.5 123.75,-307.5 117.75,-301.5 117.75,-295.5 117.75,-295.5 117.75,-236.5 117.75,-236.5 117.75,-230.5 123.75,-224.5 129.75,-224.5 129.75,-224.5 260.25,-224.5 260.25,-224.5 266.25,-224.5 272.25,-230.5 272.25,-236.5 272.25,-236.5 272.25,-295.5 272.25,-295.5 272.25,-301.5 266.25,-307.5 260.25,-307.5"/>
<text text-anchor="start" x="125.5" y="-292.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal width (cm) ≤ 1.65</text>
<text text-anchor="start" x="155.5" y="-277.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0408</text>
<text text-anchor="start" x="154" y="-262.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 48</text>
<text text-anchor="start" x="144.5" y="-247.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 47, 1]</text>
<text text-anchor="start" x="142.5" y="-232.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
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<!-- 3&#45;&gt;4 -->
<g id="edge4" class="edge"><title>3&#45;&gt;4</title>
<path fill="none" stroke="black" d="M339.944,-344.391C320.671,-334.101 299.845,-322.981 280.154,-312.467"/>
<polygon fill="black" stroke="black" points="281.666,-309.306 271.196,-307.684 278.369,-315.481 281.666,-309.306"/>
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<!-- 7 -->
<g id="node8" class="node"><title>7</title>
<path fill="#8139e5" fill-opacity="0.498039" stroke="black" d="M481.25,-307.5C481.25,-307.5 350.75,-307.5 350.75,-307.5 344.75,-307.5 338.75,-301.5 338.75,-295.5 338.75,-295.5 338.75,-236.5 338.75,-236.5 338.75,-230.5 344.75,-224.5 350.75,-224.5 350.75,-224.5 481.25,-224.5 481.25,-224.5 487.25,-224.5 493.25,-230.5 493.25,-236.5 493.25,-236.5 493.25,-295.5 493.25,-295.5 493.25,-301.5 487.25,-307.5 481.25,-307.5"/>
<text text-anchor="start" x="346.5" y="-292.3" font-family="Helvetica,sans-Serif" font-size="14.00">petal width (cm) ≤ 1.55</text>
<text text-anchor="start" x="376.5" y="-277.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.4444</text>
<text text-anchor="start" x="378.5" y="-262.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 6</text>
<text text-anchor="start" x="369" y="-247.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 2, 4]</text>
<text text-anchor="start" x="367.5" y="-232.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
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<!-- 3&#45;&gt;7 -->
<g id="edge7" class="edge"><title>3&#45;&gt;7</title>
<path fill="none" stroke="black" d="M416,-344.391C416,-335.862 416,-326.763 416,-317.912"/>
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<!-- 5 -->
<g id="node6" class="node"><title>5</title>
<path fill="#39e581" stroke="black" d="M108.25,-180C108.25,-180 11.75,-180 11.75,-180 5.75,-180 -0.25,-174 -0.25,-168 -0.25,-168 -0.25,-124 -0.25,-124 -0.25,-118 5.75,-112 11.75,-112 11.75,-112 108.25,-112 108.25,-112 114.25,-112 120.25,-118 120.25,-124 120.25,-124 120.25,-168 120.25,-168 120.25,-174 114.25,-180 108.25,-180"/>
<text text-anchor="start" x="32" y="-164.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="19" y="-149.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 47</text>
<text text-anchor="start" x="9.5" y="-134.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 47, 0]</text>
<text text-anchor="start" x="7.5" y="-119.8" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
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<!-- 4&#45;&gt;5 -->
<g id="edge5" class="edge"><title>4&#45;&gt;5</title>
<path fill="none" stroke="black" d="M148.541,-224.391C134.64,-212.241 119.417,-198.935 105.574,-186.835"/>
<polygon fill="black" stroke="black" points="107.876,-184.198 98.043,-180.252 103.269,-189.469 107.876,-184.198"/>
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<!-- 6 -->
<g id="node7" class="node"><title>6</title>
<path fill="#8139e5" stroke="black" d="M239.25,-180C239.25,-180 150.75,-180 150.75,-180 144.75,-180 138.75,-174 138.75,-168 138.75,-168 138.75,-124 138.75,-124 138.75,-118 144.75,-112 150.75,-112 150.75,-112 239.25,-112 239.25,-112 245.25,-112 251.25,-118 251.25,-124 251.25,-124 251.25,-168 251.25,-168 251.25,-174 245.25,-180 239.25,-180"/>
<text text-anchor="start" x="167" y="-164.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="157.5" y="-149.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 1</text>
<text text-anchor="start" x="148" y="-134.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 0, 1]</text>
<text text-anchor="start" x="146.5" y="-119.8" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
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<!-- 4&#45;&gt;6 -->
<g id="edge6" class="edge"><title>4&#45;&gt;6</title>
<path fill="none" stroke="black" d="M195,-224.391C195,-213.479 195,-201.634 195,-190.568"/>
<polygon fill="black" stroke="black" points="198.5,-190.252 195,-180.252 191.5,-190.252 198.5,-190.252"/>
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<!-- 8 -->
<g id="node9" class="node"><title>8</title>
<path fill="#8139e5" stroke="black" d="M370.25,-180C370.25,-180 281.75,-180 281.75,-180 275.75,-180 269.75,-174 269.75,-168 269.75,-168 269.75,-124 269.75,-124 269.75,-118 275.75,-112 281.75,-112 281.75,-112 370.25,-112 370.25,-112 376.25,-112 382.25,-118 382.25,-124 382.25,-124 382.25,-168 382.25,-168 382.25,-174 376.25,-180 370.25,-180"/>
<text text-anchor="start" x="298" y="-164.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="288.5" y="-149.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 3</text>
<text text-anchor="start" x="279" y="-134.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 0, 3]</text>
<text text-anchor="start" x="277.5" y="-119.8" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
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<!-- 7&#45;&gt;8 -->
<g id="edge8" class="edge"><title>7&#45;&gt;8</title>
<path fill="none" stroke="black" d="M385.027,-224.391C376.189,-212.804 366.549,-200.165 357.67,-188.523"/>
<polygon fill="black" stroke="black" points="360.209,-186.081 351.362,-180.252 354.644,-190.326 360.209,-186.081"/>
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<!-- 9 -->
<g id="node10" class="node"><title>9</title>
<path fill="#39e581" fill-opacity="0.498039" stroke="black" d="M551.25,-187.5C551.25,-187.5 412.75,-187.5 412.75,-187.5 406.75,-187.5 400.75,-181.5 400.75,-175.5 400.75,-175.5 400.75,-116.5 400.75,-116.5 400.75,-110.5 406.75,-104.5 412.75,-104.5 412.75,-104.5 551.25,-104.5 551.25,-104.5 557.25,-104.5 563.25,-110.5 563.25,-116.5 563.25,-116.5 563.25,-175.5 563.25,-175.5 563.25,-181.5 557.25,-187.5 551.25,-187.5"/>
<text text-anchor="start" x="408.5" y="-172.3" font-family="Helvetica,sans-Serif" font-size="14.00">sepal length (cm) ≤ 6.95</text>
<text text-anchor="start" x="442.5" y="-157.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.4444</text>
<text text-anchor="start" x="444.5" y="-142.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 3</text>
<text text-anchor="start" x="435" y="-127.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 2, 1]</text>
<text text-anchor="start" x="429.5" y="-112.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
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<!-- 7&#45;&gt;9 -->
<g id="edge9" class="edge"><title>7&#45;&gt;9</title>
<path fill="none" stroke="black" d="M438.713,-224.391C443.743,-215.398 449.127,-205.772 454.33,-196.471"/>
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<!-- 10 -->
<g id="node11" class="node"><title>10</title>
<path fill="#39e581" stroke="black" d="M462.25,-68C462.25,-68 365.75,-68 365.75,-68 359.75,-68 353.75,-62 353.75,-56 353.75,-56 353.75,-12 353.75,-12 353.75,-6 359.75,-0 365.75,-0 365.75,-0 462.25,-0 462.25,-0 468.25,-0 474.25,-6 474.25,-12 474.25,-12 474.25,-56 474.25,-56 474.25,-62 468.25,-68 462.25,-68"/>
<text text-anchor="start" x="386" y="-52.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="376.5" y="-37.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 2</text>
<text text-anchor="start" x="367" y="-22.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 2, 0]</text>
<text text-anchor="start" x="361.5" y="-7.8" font-family="Helvetica,sans-Serif" font-size="14.00">class = versicolor</text>
</g>
<!-- 9&#45;&gt;10 -->
<g id="edge10" class="edge"><title>9&#45;&gt;10</title>
<path fill="none" stroke="black" d="M456.873,-104.353C451.368,-95.4478 445.529,-86.0034 439.992,-77.0452"/>
<polygon fill="black" stroke="black" points="442.813,-74.9525 434.577,-68.287 436.859,-78.6333 442.813,-74.9525"/>
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<!-- 11 -->
<g id="node12" class="node"><title>11</title>
<path fill="#8139e5" stroke="black" d="M593.25,-68C593.25,-68 504.75,-68 504.75,-68 498.75,-68 492.75,-62 492.75,-56 492.75,-56 492.75,-12 492.75,-12 492.75,-6 498.75,-0 504.75,-0 504.75,-0 593.25,-0 593.25,-0 599.25,-0 605.25,-6 605.25,-12 605.25,-12 605.25,-56 605.25,-56 605.25,-62 599.25,-68 593.25,-68"/>
<text text-anchor="start" x="521" y="-52.8" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.0</text>
<text text-anchor="start" x="511.5" y="-37.8" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 1</text>
<text text-anchor="start" x="502" y="-22.8" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 0, 1]</text>
<text text-anchor="start" x="500.5" y="-7.8" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
</g>
<!-- 9&#45;&gt;11 -->
<g id="edge11" class="edge"><title>9&#45;&gt;11</title>
<path fill="none" stroke="black" d="M506.758,-104.353C512.182,-95.4478 517.934,-86.0034 523.391,-77.0452"/>
<polygon fill="black" stroke="black" points="526.512,-78.6482 528.725,-68.287 520.534,-75.0068 526.512,-78.6482"/>
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<!-- 13 -->
<g id="node14" class="node"><title>13</title>
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<text text-anchor="start" x="568.5" y="-292.3" font-family="Helvetica,sans-Serif" font-size="14.00">sepal length (cm) ≤ 5.95</text>
<text text-anchor="start" x="602.5" y="-277.3" font-family="Helvetica,sans-Serif" font-size="14.00">gini = 0.4444</text>
<text text-anchor="start" x="604.5" y="-262.3" font-family="Helvetica,sans-Serif" font-size="14.00">samples = 3</text>
<text text-anchor="start" x="595" y="-247.3" font-family="Helvetica,sans-Serif" font-size="14.00">value = [0, 1, 2]</text>
<text text-anchor="start" x="593.5" y="-232.3" font-family="Helvetica,sans-Serif" font-size="14.00">class = virginica</text>
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<!-- 12&#45;&gt;13 -->
<g id="edge13" class="edge"><title>12&#45;&gt;13</title>
<path fill="none" stroke="black" d="M642,-344.391C642,-335.862 642,-326.763 642,-317.912"/>
<polygon fill="black" stroke="black" points="645.5,-317.684 642,-307.684 638.5,-317.684 645.5,-317.684"/>
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<!-- 16 -->
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<!-- 12&#45;&gt;16 -->
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