回答編集履歴
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test
CHANGED
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@@ -2,7 +2,7 @@
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import pandas as pd
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df = pd.read_csv('csvのパス', parse_dates=['DateTime'])
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-
df['diff'] = df['DateTime'].diff().
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df['diff'] = df['DateTime'].diff().dt.total_seconds()
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df['flg'] = df['diff'].where(df['diff'].isna(), df['diff'].le(30) * 1)
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df.to_csv('output.csv', index=False)
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```
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