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chore: import upstream snapshot with attribution

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wehub-resource-sync
2026-07-13 13:38:23 +08:00
commit 2725b63d23
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code/ch03/tree.dot
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digraph Tree {
node [shape=box] ;
0 [label="petal width <= 0.75\nentropy = 1.5799\nsamples = 105\nvalue = [34, 32, 39]"] ;
1 [label="entropy = 0.0\nsamples = 34\nvalue = [34, 0, 0]"] ;
0 -> 1 [labeldistance=2.5, labelangle=45, headlabel="True"] ;
2 [label="petal length <= 4.95\nentropy = 0.993\nsamples = 71\nvalue = [0, 32, 39]"] ;
0 -> 2 [labeldistance=2.5, labelangle=-45, headlabel="False"] ;
3 [label="petal width <= 1.65\nentropy = 0.4306\nsamples = 34\nvalue = [0, 31, 3]"] ;
2 -> 3 ;
4 [label="entropy = 0.0\nsamples = 30\nvalue = [0, 30, 0]"] ;
3 -> 4 ;
5 [label="entropy = 0.8113\nsamples = 4\nvalue = [0, 1, 3]"] ;
3 -> 5 ;
6 [label="petal length <= 5.05\nentropy = 0.1793\nsamples = 37\nvalue = [0, 1, 36]"] ;
2 -> 6 ;
7 [label="entropy = 0.8113\nsamples = 4\nvalue = [0, 1, 3]"] ;
6 -> 7 ;
8 [label="entropy = 0.0\nsamples = 33\nvalue = [0, 0, 33]"] ;
6 -> 8 ;
}