45bebb9826dbdad1ef9d557fba6c07c8e1c7b127
python/pandas/ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()...md
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1 | +[python - Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all() - Stack Overflow](https://stackoverflow.com/questions/36921951/truth-value-of-a-series-is-ambiguous-use-a-empty-a-bool-a-item-a-any-o) |
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2 | + |
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3 | +DataFrameからレコードを複数の条件で絞り込むときは、`()`で括る必要がある。 |
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4 | + |
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5 | +``` |
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6 | +result = result[(result['var']>0.25) | (result['var']<-0.25)] |
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7 | +``` |
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