回答編集履歴
2
ソースコードの間違いを修正
test
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@@ -3,10 +3,6 @@
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```Python
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import pandas as pd
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-
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import numpy as np
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df = pd.DataFrame({
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@@ -52,8 +48,6 @@
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import pandas as pd
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import numpy as np
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df = pd.DataFrame({
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@@ -68,9 +62,9 @@
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df = pd.DataFrame(df.index.repeat(df['複製数'])).join(df)
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df = pd.DataFrame(index=df.index.repeat(df['複製数'])).join(df)
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# 列1 列2 列3 複製数
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1
回答の前半が消えていたので修正
test
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@@ -1,3 +1,51 @@
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1
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これで良いかと思います
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3
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```Python
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import pandas as pd
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import numpy as np
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df = pd.DataFrame({
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'列1':[1,4,7],
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'列2':[2,5,8],
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'列3':[3,6,9],
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'複製数':[2,3,4]})
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df = df.loc[df.index.repeat(df['複製数'])]
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# 列1 列2 列3 複製数
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#0 1 2 3 2
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#0 1 2 3 2
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#1 4 5 6 3
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#1 4 5 6 3
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#1 4 5 6 3
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#2 7 8 9 4
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#2 7 8 9 4
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#2 7 8 9 4
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#2 7 8 9 4
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```
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48
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1
49
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これでも出来ます
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50
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51
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```Python
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@@ -20,7 +68,7 @@
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df = pd.DataFrame(index
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df = pd.DataFrame(df.index.repeat(df['複製数'])).join(df)
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24
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print(df)
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26
74
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