vault backup: 2023-05-15 15:42:00

.obsidian/workspace.json

@@ -53,8 +53,8 @@
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+                "file": "04. Programming/Machine Learning.md",
-                "mode": "source",
+                "mode": "preview",
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@@ -89,7 +89,7 @@
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@@ -126,7 +126,7 @@
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               "type": "backlink",
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-                "file": "05. 資料收集/讀書筆記/20230206 - 卡片盒筆記.md",
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@@ -151,7 +151,7 @@
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-                "file": "05. 資料收集/讀書筆記/20230206 - 卡片盒筆記.md"
+                "file": "04. Programming/Machine Learning.md"
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@@ -204,10 +204,11 @@
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     "05. 資料收集/Capture One.md",
     "05. 資料收集/AI.md",
-    "05. 資料收集/讀書筆記/20230206 - 卡片盒筆記.md",
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@@ -232,7 +233,6 @@
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04. Programming/Machine Learning.md

@@ -0,0 +1,11 @@
+
+## 問題分類
+
+|  問題類型   | 啟動函數 |                損失函數                |
+|:-----------:|:--------:|:--------------------------------------:|
+|  二元分類   | sigmoid  |   binary_crossentropy（二元交叉熵）    |
+|  多元分類   | softmax  | categorical_crossentropy（分類交叉熵） |
+| 多標籤分類  | sigmoid  |          binary_crossentropy           |
+|  回歸求值   |   None   |            mse（均方誤差）             | 
+| 回歸求0~1值 | sigmoid  |        mse或binary_crossentropy        |
+