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adaboost改进 #4

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WIZARDELF opened this issue Apr 10, 2020 · 0 comments
Open

adaboost改进 #4

WIZARDELF opened this issue Apr 10, 2020 · 0 comments

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@WIZARDELF
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adaboost实现中的decision stump部分加权错误率计算并未参考课程讲义，造成必须要对U进行平抑。对加权错误率的计算不只要计算加权错误和，之后还要除以总权值之和：
屏幕快照 2020-04-09 21 04 53
这样，原程式中需删除“U /= np.sum(U)”。
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@WIZARDELF