vault backup: 2023-05-15 15:42:00
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04. Programming/Machine Learning.md
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04. Programming/Machine Learning.md
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## 問題分類
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| 問題類型 | 啟動函數 | 損失函數 |
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|:-----------:|:--------:|:--------------------------------------:|
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| 二元分類 | sigmoid | binary_crossentropy(二元交叉熵) |
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| 多元分類 | softmax | categorical_crossentropy(分類交叉熵) |
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| 多標籤分類 | sigmoid | binary_crossentropy |
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| 回歸求值 | None | mse(均方誤差) |
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| 回歸求0~1值 | sigmoid | mse或binary_crossentropy |
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