質問編集履歴
1
誤字訂正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -4,7 +4,7 @@
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4
4
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5
5
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6
6
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7
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-
subset(
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7
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+
subset(df, select = c("ID","sex","age"))
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8
8
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9
9
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10
10
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