回答編集履歴
1
Update
test
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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dfg['過去TOP率'] = \
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4
4
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dfg.assign(v = dfg['売上順位'].where(dfg['売上順位'] == 1, 0))\
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5
5
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.groupby('index', sort=False, group_keys=False)\
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6
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-
.apply(lambda x: x.sort_values('date')['v'].cumsum().shift()/range(
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6
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+
.apply(lambda x: x.sort_values('date')['v'].cumsum().shift()/range(len(x)))\
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7
7
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.fillna(0)
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8
8
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df = dfg.set_index('index').rename_axis(None, axis=0)
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9
9
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print(df)
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