回答編集履歴
1
ミスった
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
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b_cut = np.floor(df['b'].to_numpy() * 10).astype(int)
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# b_cut = np.searchsorted(bins[1:], df['b'].to_numpy(), 'right') でも可
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8
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result = np.bincount(b_cut
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8
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result = np.bincount(b_cut, df['a'].to_numpy()) / np.bincount(b_cut)
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result
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# array([0.16666667, 0. , 1. , 0. , nan,
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