回答編集履歴
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サンプルを追加
test
CHANGED
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@@ -49,3 +49,35 @@
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#Name: x1,dtype: float64
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```
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---
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**【追記】**
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新しいフレームワークを作成するサンプル
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```Python
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df_new = df2.groupby((df2.x2 != 0).cumsum()).apply(lambda d:pd.Series([d.index[0], d.index[-1], d['x1'].mean()],index=['start','end','mean_x1']))
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print(df_new)
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# start end mean_x1
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#x2
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#1 2017-07-01 00:00:00 2017-07-01 05:00:00 13.433333
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#2 2017-07-01 06:00:00 2017-07-01 10:00:00 13.860000
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#3 2017-07-01 11:00:00 2017-07-01 15:00:00 13.000000
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#4 2017-07-01 16:00:00 2017-07-01 20:00:00 14.800000
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```
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