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Why is the result of pandas.Series([numpy.nan]).astype("bool") is True? [duplicate]

Tags:

python

pandas

I was wondering why the result of

pandas.Series([numpy.nan]).astype("bool")

is True?

like image 957
Natig Aliyev Avatar asked Nov 15 '25 02:11

Natig Aliyev

1 Answers

Probably because np.nan objects are themselves truthy:

>>> bool(np.nan)
True
like image 76
Moses Koledoye Avatar answered Nov 17 '25 18:11

Moses Koledoye
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